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Finding the Fourth Proportional to 61,550.38, 92,309.17 and 17,169.32

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Solution

The fourth proportional to 61,550.38, 92,309.17 and 17,169.32 is: 25,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,550.38 : 92,309.17 = 17,169.32 : x
  2. Step 2: Convert to fraction form
    61,550.38/92,309.17 = 17,169.32/x
  3. Step 3: Cross multiply
    61,550.38x = 92,309.17 × 17,169.32
  4. Step 4: Simplify right side
    61,550.38x = 1,584,885,379.47
  5. Step 5: Solve for x
    x = 1,584,885,379.47/61,550.38
  6. Step 6: Final answer
    x = 25,749.40

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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.