Home / 38,327.52-57,578.40-33,078.72

Finding the Fourth Proportional to 38,327.52, 57,578.40 and 33,078.72

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Solution

The fourth proportional to 38,327.52, 57,578.40 and 33,078.72 is: 49,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327.52 : 57,578.40 = 33,078.72 : x
  2. Step 2: Convert to fraction form
    38,327.52/57,578.40 = 33,078.72/x
  3. Step 3: Cross multiply
    38,327.52x = 57,578.40 × 33,078.72
  4. Step 4: Simplify right side
    38,327.52x = 1,904,619,771.65
  5. Step 5: Solve for x
    x = 1,904,619,771.65/38,327.52
  6. Step 6: Final answer
    x = 49,693.27

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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.