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Finding the Fourth Proportional to 40,234.59, 60,351.89 and 12,534.75

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Solution

The fourth proportional to 40,234.59, 60,351.89 and 12,534.75 is: 18,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.59 : 60,351.89 = 12,534.75 : x
  2. Step 2: Convert to fraction form
    40,234.59/60,351.89 = 12,534.75/x
  3. Step 3: Cross multiply
    40,234.59x = 60,351.89 × 12,534.75
  4. Step 4: Simplify right side
    40,234.59x = 756,495,790.50
  5. Step 5: Solve for x
    x = 756,495,790.50/40,234.59
  6. Step 6: Final answer
    x = 18,802.13

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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.