Home / 54,243.33-81,372.68-16,806.34

Finding the Fourth Proportional to 54,243.33, 81,372.68 and 16,806.34

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Solution

The fourth proportional to 54,243.33, 81,372.68 and 16,806.34 is: 25,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.33 : 81,372.68 = 16,806.34 : x
  2. Step 2: Convert to fraction form
    54,243.33/81,372.68 = 16,806.34/x
  3. Step 3: Cross multiply
    54,243.33x = 81,372.68 × 16,806.34
  4. Step 4: Simplify right side
    54,243.33x = 1,367,577,102.03
  5. Step 5: Solve for x
    x = 1,367,577,102.03/54,243.33
  6. Step 6: Final answer
    x = 25,211.90

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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.