Finding the Fourth Proportional to 47,871, 71,818.02 and 15,039
Calculator
Solution
The fourth proportional to 47,871, 71,818.02 and 15,039 is: 22,562.12
Step by Step Solution
- Step 1: Write the proportion equation
47,871 : 71,818.02 = 15,039 : x - Step 2: Convert to fraction form
47,871/71,818.02 = 15,039/x - Step 3: Cross multiply
47,871x = 71,818.02 × 15,039 - Step 4: Simplify right side
47,871x = 1,080,071,202.78 - Step 5: Solve for x
x = 1,080,071,202.78/47,871 - Step 6: Final answer
x = 22,562.12
Related Problems
Find fourth proportional to 23,935.50, 35,909.01 and 7,519.50
Half scale
Find fourth proportional to 95,742, 143,636.04 and 30,078
Double scale
Find fourth proportional to 47,872, 71,819.52 and 15,040
Similar ratio
Find fourth proportional to 71,806.50, 107,727.03 and 22,558.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.