Home / 39,553.80-54,585.14-21,649.56

Finding the Fourth Proportional to 39,553.80, 54,585.14 and 21,649.56

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Solution

The fourth proportional to 39,553.80, 54,585.14 and 21,649.56 is: 29,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,553.80 : 54,585.14 = 21,649.56 : x
  2. Step 2: Convert to fraction form
    39,553.80/54,585.14 = 21,649.56/x
  3. Step 3: Cross multiply
    39,553.80x = 54,585.14 × 21,649.56
  4. Step 4: Simplify right side
    39,553.80x = 1,181,744,155.29
  5. Step 5: Solve for x
    x = 1,181,744,155.29/39,553.80
  6. Step 6: Final answer
    x = 29,876.88

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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.