Home / 67,942.70-101,921.03-18,022.85

Finding the Fourth Proportional to 67,942.70, 101,921.03 and 18,022.85

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Solution

The fourth proportional to 67,942.70, 101,921.03 and 18,022.85 is: 27,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,942.70 : 101,921.03 = 18,022.85 : x
  2. Step 2: Convert to fraction form
    67,942.70/101,921.03 = 18,022.85/x
  3. Step 3: Cross multiply
    67,942.70x = 101,921.03 × 18,022.85
  4. Step 4: Simplify right side
    67,942.70x = 1,836,907,960.29
  5. Step 5: Solve for x
    x = 1,836,907,960.29/67,942.70
  6. Step 6: Final answer
    x = 27,036.13

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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.