Home / 47,749.92-71,605.17-20,734.02

Finding the Fourth Proportional to 47,749.92, 71,605.17 and 20,734.02

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Solution

The fourth proportional to 47,749.92, 71,605.17 and 20,734.02 is: 31,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,749.92 : 71,605.17 = 20,734.02 : x
  2. Step 2: Convert to fraction form
    47,749.92/71,605.17 = 20,734.02/x
  3. Step 3: Cross multiply
    47,749.92x = 71,605.17 × 20,734.02
  4. Step 4: Simplify right side
    47,749.92x = 1,484,663,026.88
  5. Step 5: Solve for x
    x = 1,484,663,026.88/47,749.92
  6. Step 6: Final answer
    x = 31,092.47

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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.