Home / 36,104.78-54,120.24-13,909.46

Finding the Fourth Proportional to 36,104.78, 54,120.24 and 13,909.46

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Solution

The fourth proportional to 36,104.78, 54,120.24 and 13,909.46 is: 20,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,104.78 : 54,120.24 = 13,909.46 : x
  2. Step 2: Convert to fraction form
    36,104.78/54,120.24 = 13,909.46/x
  3. Step 3: Cross multiply
    36,104.78x = 54,120.24 × 13,909.46
  4. Step 4: Simplify right side
    36,104.78x = 752,783,042.87
  5. Step 5: Solve for x
    x = 752,783,042.87/36,104.78
  6. Step 6: Final answer
    x = 20,849.96

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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.