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Finding the Fourth Proportional to 66,682.88, 100,038 and 22,310.03

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Solution

The fourth proportional to 66,682.88, 100,038 and 22,310.03 is: 33,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,682.88 : 100,038 = 22,310.03 : x
  2. Step 2: Convert to fraction form
    66,682.88/100,038 = 22,310.03/x
  3. Step 3: Cross multiply
    66,682.88x = 100,038 × 22,310.03
  4. Step 4: Simplify right side
    66,682.88x = 2,231,850,781.14
  5. Step 5: Solve for x
    x = 2,231,850,781.14/66,682.88
  6. Step 6: Final answer
    x = 33,469.62

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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.