Home / 40,229.93-60,355.78-12,150.90

Finding the Fourth Proportional to 40,229.93, 60,355.78 and 12,150.90

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Solution

The fourth proportional to 40,229.93, 60,355.78 and 12,150.90 is: 18,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,229.93 : 60,355.78 = 12,150.90 : x
  2. Step 2: Convert to fraction form
    40,229.93/60,355.78 = 12,150.90/x
  3. Step 3: Cross multiply
    40,229.93x = 60,355.78 × 12,150.90
  4. Step 4: Simplify right side
    40,229.93x = 733,377,047.20
  5. Step 5: Solve for x
    x = 733,377,047.20/40,229.93
  6. Step 6: Final answer
    x = 18,229.64

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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.