Question

What is next in this series? 1, 4, 10, 19, 31, _

36
48
46

I figured that they got 19 because the difference between 1 and 4 is 3 and the difference between 4 and 10 is 6, so you add that to 10 and you get 19, but I don't know how they got 31, or what the next number is, if you could help me out, it'd be much appreciated. Thank you.

Answer 1

46

Answer 2

it goes 3,6,9,12,15

Answer 3

did you understand what i meant by the numbers?
Those are the differnces between the numbers

Answer 4

Oh wow, I can't believe I didn't see that; however, how I got 19 was a different way lol. Thank you.

Answer 5

yw :)

Answer 6

@sharon_penn