Home / 19,982.85-29,974.27-5,942.82

Finding the Fourth Proportional to 19,982.85, 29,974.27 and 5,942.82

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Solution

The fourth proportional to 19,982.85, 29,974.27 and 5,942.82 is: 8,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.85 : 29,974.27 = 5,942.82 : x
  2. Step 2: Convert to fraction form
    19,982.85/29,974.27 = 5,942.82/x
  3. Step 3: Cross multiply
    19,982.85x = 29,974.27 × 5,942.82
  4. Step 4: Simplify right side
    19,982.85x = 178,131,676.38
  5. Step 5: Solve for x
    x = 178,131,676.38/19,982.85
  6. Step 6: Final answer
    x = 8,914.23

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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.