Home / 39,363.73-54,319.93-21,456.97

Finding the Fourth Proportional to 39,363.73, 54,319.93 and 21,456.97

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Solution

The fourth proportional to 39,363.73, 54,319.93 and 21,456.97 is: 29,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363.73 : 54,319.93 = 21,456.97 : x
  2. Step 2: Convert to fraction form
    39,363.73/54,319.93 = 21,456.97/x
  3. Step 3: Cross multiply
    39,363.73x = 54,319.93 × 21,456.97
  4. Step 4: Simplify right side
    39,363.73x = 1,165,541,108.41
  5. Step 5: Solve for x
    x = 1,165,541,108.41/39,363.73
  6. Step 6: Final answer
    x = 29,609.52

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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.