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Finding the Fourth Proportional to 39,753.74, 54,859.01 and 22,757.42

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Solution

The fourth proportional to 39,753.74, 54,859.01 and 22,757.42 is: 31,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,753.74 : 54,859.01 = 22,757.42 : x
  2. Step 2: Convert to fraction form
    39,753.74/54,859.01 = 22,757.42/x
  3. Step 3: Cross multiply
    39,753.74x = 54,859.01 × 22,757.42
  4. Step 4: Simplify right side
    39,753.74x = 1,248,449,554.71
  5. Step 5: Solve for x
    x = 1,248,449,554.71/39,753.74
  6. Step 6: Final answer
    x = 31,404.58

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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.