Home / 40,423.98-60,644.85-11,958.71

Finding the Fourth Proportional to 40,423.98, 60,644.85 and 11,958.71

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Solution

The fourth proportional to 40,423.98, 60,644.85 and 11,958.71 is: 17,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.98 : 60,644.85 = 11,958.71 : x
  2. Step 2: Convert to fraction form
    40,423.98/60,644.85 = 11,958.71/x
  3. Step 3: Cross multiply
    40,423.98x = 60,644.85 × 11,958.71
  4. Step 4: Simplify right side
    40,423.98x = 725,234,098.34
  5. Step 5: Solve for x
    x = 725,234,098.34/40,423.98
  6. Step 6: Final answer
    x = 17,940.69

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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.