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Finding the Fourth Proportional to 54,937.38, 82,412.11 and 17,488.68

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Solution

The fourth proportional to 54,937.38, 82,412.11 and 17,488.68 is: 26,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,937.38 : 82,412.11 = 17,488.68 : x
  2. Step 2: Convert to fraction form
    54,937.38/82,412.11 = 17,488.68/x
  3. Step 3: Cross multiply
    54,937.38x = 82,412.11 × 17,488.68
  4. Step 4: Simplify right side
    54,937.38x = 1,441,279,173.47
  5. Step 5: Solve for x
    x = 1,441,279,173.47/54,937.38
  6. Step 6: Final answer
    x = 26,234.94

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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.