Home / 36,500.16-54,756-15,729.60

Finding the Fourth Proportional to 36,500.16, 54,756 and 15,729.60

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Solution

The fourth proportional to 36,500.16, 54,756 and 15,729.60 is: 23,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,500.16 : 54,756 = 15,729.60 : x
  2. Step 2: Convert to fraction form
    36,500.16/54,756 = 15,729.60/x
  3. Step 3: Cross multiply
    36,500.16x = 54,756 × 15,729.60
  4. Step 4: Simplify right side
    36,500.16x = 861,289,977.60
  5. Step 5: Solve for x
    x = 861,289,977.60/36,500.16
  6. Step 6: Final answer
    x = 23,596.88

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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.