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Finding the Fourth Proportional to 61,265.25, 91,897.92 and 19,712.25

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Solution

The fourth proportional to 61,265.25, 91,897.92 and 19,712.25 is: 29,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,265.25 : 91,897.92 = 19,712.25 : x
  2. Step 2: Convert to fraction form
    61,265.25/91,897.92 = 19,712.25/x
  3. Step 3: Cross multiply
    61,265.25x = 91,897.92 × 19,712.25
  4. Step 4: Simplify right side
    61,265.25x = 1,811,514,773.52
  5. Step 5: Solve for x
    x = 1,811,514,773.52/61,265.25
  6. Step 6: Final answer
    x = 29,568.39

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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.