Home / 36,350.76-54,514.62-11,721

Finding the Fourth Proportional to 36,350.76, 54,514.62 and 11,721

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Solution

The fourth proportional to 36,350.76, 54,514.62 and 11,721 is: 17,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,350.76 : 54,514.62 = 11,721 : x
  2. Step 2: Convert to fraction form
    36,350.76/54,514.62 = 11,721/x
  3. Step 3: Cross multiply
    36,350.76x = 54,514.62 × 11,721
  4. Step 4: Simplify right side
    36,350.76x = 638,965,861.02
  5. Step 5: Solve for x
    x = 638,965,861.02/36,350.76
  6. Step 6: Final answer
    x = 17,577.79

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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.