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Finding the Fourth Proportional to 41,857.59, 62,786.88 and 12,276.02

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Solution

The fourth proportional to 41,857.59, 62,786.88 and 12,276.02 is: 18,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,857.59 : 62,786.88 = 12,276.02 : x
  2. Step 2: Convert to fraction form
    41,857.59/62,786.88 = 12,276.02/x
  3. Step 3: Cross multiply
    41,857.59x = 62,786.88 × 12,276.02
  4. Step 4: Simplify right side
    41,857.59x = 770,772,680.68
  5. Step 5: Solve for x
    x = 770,772,680.68/41,857.59
  6. Step 6: Final answer
    x = 18,414.17

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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.