Home / 36,110.62-54,160.44-13,920.76

Finding the Fourth Proportional to 36,110.62, 54,160.44 and 13,920.76

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Solution

The fourth proportional to 36,110.62, 54,160.44 and 13,920.76 is: 20,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,110.62 : 54,160.44 = 13,920.76 : x
  2. Step 2: Convert to fraction form
    36,110.62/54,160.44 = 13,920.76/x
  3. Step 3: Cross multiply
    36,110.62x = 54,160.44 × 13,920.76
  4. Step 4: Simplify right side
    36,110.62x = 753,954,486.73
  5. Step 5: Solve for x
    x = 753,954,486.73/36,110.62
  6. Step 6: Final answer
    x = 20,879.02

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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.