Home / 36,078.48-49,788.18-20,162.94

Finding the Fourth Proportional to 36,078.48, 49,788.18 and 20,162.94

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Solution

The fourth proportional to 36,078.48, 49,788.18 and 20,162.94 is: 27,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.48 : 49,788.18 = 20,162.94 : x
  2. Step 2: Convert to fraction form
    36,078.48/49,788.18 = 20,162.94/x
  3. Step 3: Cross multiply
    36,078.48x = 49,788.18 × 20,162.94
  4. Step 4: Simplify right side
    36,078.48x = 1,003,876,086.05
  5. Step 5: Solve for x
    x = 1,003,876,086.05/36,078.48
  6. Step 6: Final answer
    x = 27,824.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.