Home / 57,230.53-78,979.10-31,737.97

Finding the Fourth Proportional to 57,230.53, 78,979.10 and 31,737.97

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Solution

The fourth proportional to 57,230.53, 78,979.10 and 31,737.97 is: 43,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230.53 : 78,979.10 = 31,737.97 : x
  2. Step 2: Convert to fraction form
    57,230.53/78,979.10 = 31,737.97/x
  3. Step 3: Cross multiply
    57,230.53x = 78,979.10 × 31,737.97
  4. Step 4: Simplify right side
    57,230.53x = 2,506,636,306.43
  5. Step 5: Solve for x
    x = 2,506,636,306.43/57,230.53
  6. Step 6: Final answer
    x = 43,798.94

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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.