Home / 39,631.75-54,691.82-22,864.75

Finding the Fourth Proportional to 39,631.75, 54,691.82 and 22,864.75

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Solution

The fourth proportional to 39,631.75, 54,691.82 and 22,864.75 is: 31,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.75 : 54,691.82 = 22,864.75 : x
  2. Step 2: Convert to fraction form
    39,631.75/54,691.82 = 22,864.75/x
  3. Step 3: Cross multiply
    39,631.75x = 54,691.82 × 22,864.75
  4. Step 4: Simplify right side
    39,631.75x = 1,250,514,791.35
  5. Step 5: Solve for x
    x = 1,250,514,791.35/39,631.75
  6. Step 6: Final answer
    x = 31,553.36

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1.5x scale

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.