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Finding the Fourth Proportional to 61,326.92, 84,627.27 and 34,469.06

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Solution

The fourth proportional to 61,326.92, 84,627.27 and 34,469.06 is: 47,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,326.92 : 84,627.27 = 34,469.06 : x
  2. Step 2: Convert to fraction form
    61,326.92/84,627.27 = 34,469.06/x
  3. Step 3: Cross multiply
    61,326.92x = 84,627.27 × 34,469.06
  4. Step 4: Simplify right side
    61,326.92x = 2,917,022,447.27
  5. Step 5: Solve for x
    x = 2,917,022,447.27/61,326.92
  6. Step 6: Final answer
    x = 47,565.12

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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.