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Finding the Fourth Proportional to 50,133.60, 75,200.40 and 38,979.90

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Solution

The fourth proportional to 50,133.60, 75,200.40 and 38,979.90 is: 58,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,133.60 : 75,200.40 = 38,979.90 : x
  2. Step 2: Convert to fraction form
    50,133.60/75,200.40 = 38,979.90/x
  3. Step 3: Cross multiply
    50,133.60x = 75,200.40 × 38,979.90
  4. Step 4: Simplify right side
    50,133.60x = 2,931,304,071.96
  5. Step 5: Solve for x
    x = 2,931,304,071.96/50,133.60
  6. Step 6: Final answer
    x = 58,469.85

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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.