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Finding the Fourth Proportional to 66,951.62, 92,392.43 and 38,656.70

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Solution

The fourth proportional to 66,951.62, 92,392.43 and 38,656.70 is: 53,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,951.62 : 92,392.43 = 38,656.70 : x
  2. Step 2: Convert to fraction form
    66,951.62/92,392.43 = 38,656.70/x
  3. Step 3: Cross multiply
    66,951.62x = 92,392.43 × 38,656.70
  4. Step 4: Simplify right side
    66,951.62x = 3,571,585,793.54
  5. Step 5: Solve for x
    x = 3,571,585,793.54/66,951.62
  6. Step 6: Final answer
    x = 53,345.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.