Home / 66,630.60-99,942.26-22,252.73

Finding the Fourth Proportional to 66,630.60, 99,942.26 and 22,252.73

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Solution

The fourth proportional to 66,630.60, 99,942.26 and 22,252.73 is: 33,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,630.60 : 99,942.26 = 22,252.73 : x
  2. Step 2: Convert to fraction form
    66,630.60/99,942.26 = 22,252.73/x
  3. Step 3: Cross multiply
    66,630.60x = 99,942.26 × 22,252.73
  4. Step 4: Simplify right side
    66,630.60x = 2,223,987,516.39
  5. Step 5: Solve for x
    x = 2,223,987,516.39/66,630.60
  6. Step 6: Final answer
    x = 33,377.87

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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.