Home / 48,455.62-72,684.15-31,921.54

Finding the Fourth Proportional to 48,455.62, 72,684.15 and 31,921.54

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Solution

The fourth proportional to 48,455.62, 72,684.15 and 31,921.54 is: 47,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.62 : 72,684.15 = 31,921.54 : x
  2. Step 2: Convert to fraction form
    48,455.62/72,684.15 = 31,921.54/x
  3. Step 3: Cross multiply
    48,455.62x = 72,684.15 × 31,921.54
  4. Step 4: Simplify right side
    48,455.62x = 2,320,190,001.59
  5. Step 5: Solve for x
    x = 2,320,190,001.59/48,455.62
  6. Step 6: Final answer
    x = 47,882.78

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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.