Home / 39,221.47-58,839.50-15,864.31

Finding the Fourth Proportional to 39,221.47, 58,839.50 and 15,864.31

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Solution

The fourth proportional to 39,221.47, 58,839.50 and 15,864.31 is: 23,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.47 : 58,839.50 = 15,864.31 : x
  2. Step 2: Convert to fraction form
    39,221.47/58,839.50 = 15,864.31/x
  3. Step 3: Cross multiply
    39,221.47x = 58,839.50 × 15,864.31
  4. Step 4: Simplify right side
    39,221.47x = 933,448,068.25
  5. Step 5: Solve for x
    x = 933,448,068.25/39,221.47
  6. Step 6: Final answer
    x = 23,799.42

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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.