Home / 36,461.20-54,716.10-16,729.60

Finding the Fourth Proportional to 36,461.20, 54,716.10 and 16,729.60

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Solution

The fourth proportional to 36,461.20, 54,716.10 and 16,729.60 is: 25,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,461.20 : 54,716.10 = 16,729.60 : x
  2. Step 2: Convert to fraction form
    36,461.20/54,716.10 = 16,729.60/x
  3. Step 3: Cross multiply
    36,461.20x = 54,716.10 × 16,729.60
  4. Step 4: Simplify right side
    36,461.20x = 915,378,466.56
  5. Step 5: Solve for x
    x = 915,378,466.56/36,461.20
  6. Step 6: Final answer
    x = 25,105.55

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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.