Home / 40,209.65-60,294.94-12,124.50

Finding the Fourth Proportional to 40,209.65, 60,294.94 and 12,124.50

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Solution

The fourth proportional to 40,209.65, 60,294.94 and 12,124.50 is: 18,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.65 : 60,294.94 = 12,124.50 : x
  2. Step 2: Convert to fraction form
    40,209.65/60,294.94 = 12,124.50/x
  3. Step 3: Cross multiply
    40,209.65x = 60,294.94 × 12,124.50
  4. Step 4: Simplify right side
    40,209.65x = 731,046,000.03
  5. Step 5: Solve for x
    x = 731,046,000.03/40,209.65
  6. Step 6: Final answer
    x = 18,180.86

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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.