Home / 71,569.10-98,763.46-39,737.18

Finding the Fourth Proportional to 71,569.10, 98,763.46 and 39,737.18

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Solution

The fourth proportional to 71,569.10, 98,763.46 and 39,737.18 is: 54,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,569.10 : 98,763.46 = 39,737.18 : x
  2. Step 2: Convert to fraction form
    71,569.10/98,763.46 = 39,737.18/x
  3. Step 3: Cross multiply
    71,569.10x = 98,763.46 × 39,737.18
  4. Step 4: Simplify right side
    71,569.10x = 3,924,581,387.44
  5. Step 5: Solve for x
    x = 3,924,581,387.44/71,569.10
  6. Step 6: Final answer
    x = 54,836.25

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1.5x scale

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.