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Finding the Fourth Proportional to 44,875.88, 67,281.42 and 13,694.12

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Solution

The fourth proportional to 44,875.88, 67,281.42 and 13,694.12 is: 20,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,875.88 : 67,281.42 = 13,694.12 : x
  2. Step 2: Convert to fraction form
    44,875.88/67,281.42 = 13,694.12/x
  3. Step 3: Cross multiply
    44,875.88x = 67,281.42 × 13,694.12
  4. Step 4: Simplify right side
    44,875.88x = 921,359,839.25
  5. Step 5: Solve for x
    x = 921,359,839.25/44,875.88
  6. Step 6: Final answer
    x = 20,531.29

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1.5x scale

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.