Home / 38,481.14-57,723.36-15,112.64

Finding the Fourth Proportional to 38,481.14, 57,723.36 and 15,112.64

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Solution

The fourth proportional to 38,481.14, 57,723.36 and 15,112.64 is: 22,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.14 : 57,723.36 = 15,112.64 : x
  2. Step 2: Convert to fraction form
    38,481.14/57,723.36 = 15,112.64/x
  3. Step 3: Cross multiply
    38,481.14x = 57,723.36 × 15,112.64
  4. Step 4: Simplify right side
    38,481.14x = 872,352,359.27
  5. Step 5: Solve for x
    x = 872,352,359.27/38,481.14
  6. Step 6: Final answer
    x = 22,669.61

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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.