Home / 31,693.72-47,545.98-15,906.28

Finding the Fourth Proportional to 31,693.72, 47,545.98 and 15,906.28

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Solution

The fourth proportional to 31,693.72, 47,545.98 and 15,906.28 is: 23,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693.72 : 47,545.98 = 15,906.28 : x
  2. Step 2: Convert to fraction form
    31,693.72/47,545.98 = 15,906.28/x
  3. Step 3: Cross multiply
    31,693.72x = 47,545.98 × 15,906.28
  4. Step 4: Simplify right side
    31,693.72x = 756,279,670.75
  5. Step 5: Solve for x
    x = 756,279,670.75/31,693.72
  6. Step 6: Final answer
    x = 23,862.13

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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.