Home / 38,819.20-58,272.60-25,697.20

Finding the Fourth Proportional to 38,819.20, 58,272.60 and 25,697.20

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Solution

The fourth proportional to 38,819.20, 58,272.60 and 25,697.20 is: 38,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,819.20 : 58,272.60 = 25,697.20 : x
  2. Step 2: Convert to fraction form
    38,819.20/58,272.60 = 25,697.20/x
  3. Step 3: Cross multiply
    38,819.20x = 58,272.60 × 25,697.20
  4. Step 4: Simplify right side
    38,819.20x = 1,497,442,656.72
  5. Step 5: Solve for x
    x = 1,497,442,656.72/38,819.20
  6. Step 6: Final answer
    x = 38,574.79

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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.