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Finding the Fourth Proportional to 71,812, 107,735.28 and 22,564

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Solution

The fourth proportional to 71,812, 107,735.28 and 22,564 is: 33,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,812 : 107,735.28 = 22,564 : x
  2. Step 2: Convert to fraction form
    71,812/107,735.28 = 22,564/x
  3. Step 3: Cross multiply
    71,812x = 107,735.28 × 22,564
  4. Step 4: Simplify right side
    71,812x = 2,430,938,857.92
  5. Step 5: Solve for x
    x = 2,430,938,857.92/71,812
  6. Step 6: Final answer
    x = 33,851.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.