Home / 40,404.62-60,610.39-12,330.99

Finding the Fourth Proportional to 40,404.62, 60,610.39 and 12,330.99

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Solution

The fourth proportional to 40,404.62, 60,610.39 and 12,330.99 is: 18,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,404.62 : 60,610.39 = 12,330.99 : x
  2. Step 2: Convert to fraction form
    40,404.62/60,610.39 = 12,330.99/x
  3. Step 3: Cross multiply
    40,404.62x = 60,610.39 × 12,330.99
  4. Step 4: Simplify right side
    40,404.62x = 747,386,082.16
  5. Step 5: Solve for x
    x = 747,386,082.16/40,404.62
  6. Step 6: Final answer
    x = 18,497.54

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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.