Home / 41,780.55-62,664.11-12,191.45

Finding the Fourth Proportional to 41,780.55, 62,664.11 and 12,191.45

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Solution

The fourth proportional to 41,780.55, 62,664.11 and 12,191.45 is: 18,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,780.55 : 62,664.11 = 12,191.45 : x
  2. Step 2: Convert to fraction form
    41,780.55/62,664.11 = 12,191.45/x
  3. Step 3: Cross multiply
    41,780.55x = 62,664.11 × 12,191.45
  4. Step 4: Simplify right side
    41,780.55x = 763,966,302.90
  5. Step 5: Solve for x
    x = 763,966,302.90/41,780.55
  6. Step 6: Final answer
    x = 18,285.21

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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.