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Finding the Fourth Proportional to 66,924.68, 92,358.70 and 36,711.12

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Solution

The fourth proportional to 66,924.68, 92,358.70 and 36,711.12 is: 50,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.68 : 92,358.70 = 36,711.12 : x
  2. Step 2: Convert to fraction form
    66,924.68/92,358.70 = 36,711.12/x
  3. Step 3: Cross multiply
    66,924.68x = 92,358.70 × 36,711.12
  4. Step 4: Simplify right side
    66,924.68x = 3,390,591,318.74
  5. Step 5: Solve for x
    x = 3,390,591,318.74/66,924.68
  6. Step 6: Final answer
    x = 50,662.79

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1.5x scale

Why These Related Problems?

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