Home / 54,049.60-74,587.24-30,178.52

Finding the Fourth Proportional to 54,049.60, 74,587.24 and 30,178.52

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Solution

The fourth proportional to 54,049.60, 74,587.24 and 30,178.52 is: 41,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049.60 : 74,587.24 = 30,178.52 : x
  2. Step 2: Convert to fraction form
    54,049.60/74,587.24 = 30,178.52/x
  3. Step 3: Cross multiply
    54,049.60x = 74,587.24 × 30,178.52
  4. Step 4: Simplify right side
    54,049.60x = 2,250,932,514.08
  5. Step 5: Solve for x
    x = 2,250,932,514.08/54,049.60
  6. Step 6: Final answer
    x = 41,645.68

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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.