Home / 38,951.28-58,440.51-12,301.38

Finding the Fourth Proportional to 38,951.28, 58,440.51 and 12,301.38

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Solution

The fourth proportional to 38,951.28, 58,440.51 and 12,301.38 is: 18,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951.28 : 58,440.51 = 12,301.38 : x
  2. Step 2: Convert to fraction form
    38,951.28/58,440.51 = 12,301.38/x
  3. Step 3: Cross multiply
    38,951.28x = 58,440.51 × 12,301.38
  4. Step 4: Simplify right side
    38,951.28x = 718,898,920.90
  5. Step 5: Solve for x
    x = 718,898,920.90/38,951.28
  6. Step 6: Final answer
    x = 18,456.36

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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.