Home / 38,419.53-57,591.27-18,405.87

Finding the Fourth Proportional to 38,419.53, 57,591.27 and 18,405.87

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Solution

The fourth proportional to 38,419.53, 57,591.27 and 18,405.87 is: 27,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419.53 : 57,591.27 = 18,405.87 : x
  2. Step 2: Convert to fraction form
    38,419.53/57,591.27 = 18,405.87/x
  3. Step 3: Cross multiply
    38,419.53x = 57,591.27 × 18,405.87
  4. Step 4: Simplify right side
    38,419.53x = 1,060,017,428.75
  5. Step 5: Solve for x
    x = 1,060,017,428.75/38,419.53
  6. Step 6: Final answer
    x = 27,590.59

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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.