Home / 47,687.52-71,557.20-20,004.96

Finding the Fourth Proportional to 47,687.52, 71,557.20 and 20,004.96

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Solution

The fourth proportional to 47,687.52, 71,557.20 and 20,004.96 is: 30,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,687.52 : 71,557.20 = 20,004.96 : x
  2. Step 2: Convert to fraction form
    47,687.52/71,557.20 = 20,004.96/x
  3. Step 3: Cross multiply
    47,687.52x = 71,557.20 × 20,004.96
  4. Step 4: Simplify right side
    47,687.52x = 1,431,498,923.71
  5. Step 5: Solve for x
    x = 1,431,498,923.71/47,687.52
  6. Step 6: Final answer
    x = 30,018.31

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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.