Home / 47,395.92-71,107.17-20,744.24

Finding the Fourth Proportional to 47,395.92, 71,107.17 and 20,744.24

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Solution

The fourth proportional to 47,395.92, 71,107.17 and 20,744.24 is: 31,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,395.92 : 71,107.17 = 20,744.24 : x
  2. Step 2: Convert to fraction form
    47,395.92/71,107.17 = 20,744.24/x
  3. Step 3: Cross multiply
    47,395.92x = 71,107.17 × 20,744.24
  4. Step 4: Simplify right side
    47,395.92x = 1,475,063,844.66
  5. Step 5: Solve for x
    x = 1,475,063,844.66/47,395.92
  6. Step 6: Final answer
    x = 31,122.17

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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.