Home / 51,611.92-77,452.44-18,330.64

Finding the Fourth Proportional to 51,611.92, 77,452.44 and 18,330.64

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Solution

The fourth proportional to 51,611.92, 77,452.44 and 18,330.64 is: 27,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,611.92 : 77,452.44 = 18,330.64 : x
  2. Step 2: Convert to fraction form
    51,611.92/77,452.44 = 18,330.64/x
  3. Step 3: Cross multiply
    51,611.92x = 77,452.44 × 18,330.64
  4. Step 4: Simplify right side
    51,611.92x = 1,419,752,794.76
  5. Step 5: Solve for x
    x = 1,419,752,794.76/51,611.92
  6. Step 6: Final answer
    x = 27,508.23

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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.