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Finding the Fourth Proportional to 59,418.62, 82,034.98 and 38,234.70

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Solution

The fourth proportional to 59,418.62, 82,034.98 and 38,234.70 is: 52,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,418.62 : 82,034.98 = 38,234.70 : x
  2. Step 2: Convert to fraction form
    59,418.62/82,034.98 = 38,234.70/x
  3. Step 3: Cross multiply
    59,418.62x = 82,034.98 × 38,234.70
  4. Step 4: Simplify right side
    59,418.62x = 3,136,582,849.81
  5. Step 5: Solve for x
    x = 3,136,582,849.81/59,418.62
  6. Step 6: Final answer
    x = 52,787.88

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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.