Home / 47,721.24-71,590.24-18,141.66

Finding the Fourth Proportional to 47,721.24, 71,590.24 and 18,141.66

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Solution

The fourth proportional to 47,721.24, 71,590.24 and 18,141.66 is: 27,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.24 : 71,590.24 = 18,141.66 : x
  2. Step 2: Convert to fraction form
    47,721.24/71,590.24 = 18,141.66/x
  3. Step 3: Cross multiply
    47,721.24x = 71,590.24 × 18,141.66
  4. Step 4: Simplify right side
    47,721.24x = 1,298,765,793.40
  5. Step 5: Solve for x
    x = 1,298,765,793.40/47,721.24
  6. Step 6: Final answer
    x = 27,215.68

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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.