Home / 36,132.42-54,204.70-12,439.02

Finding the Fourth Proportional to 36,132.42, 54,204.70 and 12,439.02

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Solution

The fourth proportional to 36,132.42, 54,204.70 and 12,439.02 is: 18,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,132.42 : 54,204.70 = 12,439.02 : x
  2. Step 2: Convert to fraction form
    36,132.42/54,204.70 = 12,439.02/x
  3. Step 3: Cross multiply
    36,132.42x = 54,204.70 × 12,439.02
  4. Step 4: Simplify right side
    36,132.42x = 674,253,347.39
  5. Step 5: Solve for x
    x = 674,253,347.39/36,132.42
  6. Step 6: Final answer
    x = 18,660.62

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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.