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Finding the Fourth Proportional to 40,294.40, 60,344.40 and 38,544.80

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Solution

The fourth proportional to 40,294.40, 60,344.40 and 38,544.80 is: 57,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,294.40 : 60,344.40 = 38,544.80 : x
  2. Step 2: Convert to fraction form
    40,294.40/60,344.40 = 38,544.80/x
  3. Step 3: Cross multiply
    40,294.40x = 60,344.40 × 38,544.80
  4. Step 4: Simplify right side
    40,294.40x = 2,325,962,829.12
  5. Step 5: Solve for x
    x = 2,325,962,829.12/40,294.40
  6. Step 6: Final answer
    x = 57,724.22

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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.