Home / 41,778.03-62,660.55-12,192.78

Finding the Fourth Proportional to 41,778.03, 62,660.55 and 12,192.78

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Solution

The fourth proportional to 41,778.03, 62,660.55 and 12,192.78 is: 18,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,778.03 : 62,660.55 = 12,192.78 : x
  2. Step 2: Convert to fraction form
    41,778.03/62,660.55 = 12,192.78/x
  3. Step 3: Cross multiply
    41,778.03x = 62,660.55 × 12,192.78
  4. Step 4: Simplify right side
    41,778.03x = 764,006,300.83
  5. Step 5: Solve for x
    x = 764,006,300.83/41,778.03
  6. Step 6: Final answer
    x = 18,287.27

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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.