Home / 57,578.80-79,457.24-32,085.28

Finding the Fourth Proportional to 57,578.80, 79,457.24 and 32,085.28

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Solution

The fourth proportional to 57,578.80, 79,457.24 and 32,085.28 is: 44,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,578.80 : 79,457.24 = 32,085.28 : x
  2. Step 2: Convert to fraction form
    57,578.80/79,457.24 = 32,085.28/x
  3. Step 3: Cross multiply
    57,578.80x = 79,457.24 × 32,085.28
  4. Step 4: Simplify right side
    57,578.80x = 2,549,407,793.43
  5. Step 5: Solve for x
    x = 2,549,407,793.43/57,578.80
  6. Step 6: Final answer
    x = 44,276.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.