Home / 40,154.13-60,231.21-12,452.13

Finding the Fourth Proportional to 40,154.13, 60,231.21 and 12,452.13

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Solution

The fourth proportional to 40,154.13, 60,231.21 and 12,452.13 is: 18,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.13 : 60,231.21 = 12,452.13 : x
  2. Step 2: Convert to fraction form
    40,154.13/60,231.21 = 12,452.13/x
  3. Step 3: Cross multiply
    40,154.13x = 60,231.21 × 12,452.13
  4. Step 4: Simplify right side
    40,154.13x = 750,006,856.98
  5. Step 5: Solve for x
    x = 750,006,856.98/40,154.13
  6. Step 6: Final answer
    x = 18,678.20

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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.