Home / 47,619.92-71,432.76-19,908.56

Finding the Fourth Proportional to 47,619.92, 71,432.76 and 19,908.56

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Solution

The fourth proportional to 47,619.92, 71,432.76 and 19,908.56 is: 29,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.92 : 71,432.76 = 19,908.56 : x
  2. Step 2: Convert to fraction form
    47,619.92/71,432.76 = 19,908.56/x
  3. Step 3: Cross multiply
    47,619.92x = 71,432.76 × 19,908.56
  4. Step 4: Simplify right side
    47,619.92x = 1,422,123,388.43
  5. Step 5: Solve for x
    x = 1,422,123,388.43/47,619.92
  6. Step 6: Final answer
    x = 29,864.04

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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.