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Finding the Fourth Proportional to 33,472.71, 50,209.07 and 13,745.97

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Solution

The fourth proportional to 33,472.71, 50,209.07 and 13,745.97 is: 20,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,472.71 : 50,209.07 = 13,745.97 : x
  2. Step 2: Convert to fraction form
    33,472.71/50,209.07 = 13,745.97/x
  3. Step 3: Cross multiply
    33,472.71x = 50,209.07 × 13,745.97
  4. Step 4: Simplify right side
    33,472.71x = 690,172,301.22
  5. Step 5: Solve for x
    x = 690,172,301.22/33,472.71
  6. Step 6: Final answer
    x = 20,618.96

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1.5x scale

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.