Home / 40,356.76-60,591.30-20,648.92

Finding the Fourth Proportional to 40,356.76, 60,591.30 and 20,648.92

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Solution

The fourth proportional to 40,356.76, 60,591.30 and 20,648.92 is: 31,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,356.76 : 60,591.30 = 20,648.92 : x
  2. Step 2: Convert to fraction form
    40,356.76/60,591.30 = 20,648.92/x
  3. Step 3: Cross multiply
    40,356.76x = 60,591.30 × 20,648.92
  4. Step 4: Simplify right side
    40,356.76x = 1,251,144,906.40
  5. Step 5: Solve for x
    x = 1,251,144,906.40/40,356.76
  6. Step 6: Final answer
    x = 31,002.11

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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.