Home / 49,951.77-74,927.66-20,371.92

Finding the Fourth Proportional to 49,951.77, 74,927.66 and 20,371.92

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Solution

The fourth proportional to 49,951.77, 74,927.66 and 20,371.92 is: 30,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,951.77 : 74,927.66 = 20,371.92 : x
  2. Step 2: Convert to fraction form
    49,951.77/74,927.66 = 20,371.92/x
  3. Step 3: Cross multiply
    49,951.77x = 74,927.66 × 20,371.92
  4. Step 4: Simplify right side
    49,951.77x = 1,526,419,912.47
  5. Step 5: Solve for x
    x = 1,526,419,912.47/49,951.77
  6. Step 6: Final answer
    x = 30,557.88

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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.