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Finding the Fourth Proportional to 33,713.60, 50,531.04 and 25,366.80

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Solution

The fourth proportional to 33,713.60, 50,531.04 and 25,366.80 is: 38,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,713.60 : 50,531.04 = 25,366.80 : x
  2. Step 2: Convert to fraction form
    33,713.60/50,531.04 = 25,366.80/x
  3. Step 3: Cross multiply
    33,713.60x = 50,531.04 × 25,366.80
  4. Step 4: Simplify right side
    33,713.60x = 1,281,810,785.47
  5. Step 5: Solve for x
    x = 1,281,810,785.47/33,713.60
  6. Step 6: Final answer
    x = 38,020.58

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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.