Home / 40,404.25-60,609.83-12,330.62

Finding the Fourth Proportional to 40,404.25, 60,609.83 and 12,330.62

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Solution

The fourth proportional to 40,404.25, 60,609.83 and 12,330.62 is: 18,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,404.25 : 60,609.83 = 12,330.62 : x
  2. Step 2: Convert to fraction form
    40,404.25/60,609.83 = 12,330.62/x
  3. Step 3: Cross multiply
    40,404.25x = 60,609.83 × 12,330.62
  4. Step 4: Simplify right side
    40,404.25x = 747,356,781.99
  5. Step 5: Solve for x
    x = 747,356,781.99/40,404.25
  6. Step 6: Final answer
    x = 18,496.98

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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.