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Finding the Fourth Proportional to 40,000.80, 60,001.20 and 33,439.80

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Solution

The fourth proportional to 40,000.80, 60,001.20 and 33,439.80 is: 50,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000.80 : 60,001.20 = 33,439.80 : x
  2. Step 2: Convert to fraction form
    40,000.80/60,001.20 = 33,439.80/x
  3. Step 3: Cross multiply
    40,000.80x = 60,001.20 × 33,439.80
  4. Step 4: Simplify right side
    40,000.80x = 2,006,428,127.76
  5. Step 5: Solve for x
    x = 2,006,428,127.76/40,000.80
  6. Step 6: Final answer
    x = 50,159.70

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1.5x scale

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.