Answer:
18 , 20 , 22 and 24.
Explanation:
Let the numbers be n , n + 2, n + 4 and n + 6.
So we have the following equation:
n + 3(n + 6) = 48 + n + 2 + n + 4
n + 3n + 18 = 48 + 2n + 6
4n + 18 = 2n + 54
2n = 36
n = 18
So the numbers are 18 , 20 , 22 and 24.