Home / 38,579.82-57,836.91-36,742.74

Finding the Fourth Proportional to 38,579.82, 57,836.91 and 36,742.74

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Solution

The fourth proportional to 38,579.82, 57,836.91 and 36,742.74 is: 55,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.82 : 57,836.91 = 36,742.74 : x
  2. Step 2: Convert to fraction form
    38,579.82/57,836.91 = 36,742.74/x
  3. Step 3: Cross multiply
    38,579.82x = 57,836.91 × 36,742.74
  4. Step 4: Simplify right side
    38,579.82x = 2,125,086,546.53
  5. Step 5: Solve for x
    x = 2,125,086,546.53/38,579.82
  6. Step 6: Final answer
    x = 55,082.85

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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.