Home / 54,874.25-82,311.36-15,431.37

Finding the Fourth Proportional to 54,874.25, 82,311.36 and 15,431.37

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Solution

The fourth proportional to 54,874.25, 82,311.36 and 15,431.37 is: 23,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874.25 : 82,311.36 = 15,431.37 : x
  2. Step 2: Convert to fraction form
    54,874.25/82,311.36 = 15,431.37/x
  3. Step 3: Cross multiply
    54,874.25x = 82,311.36 × 15,431.37
  4. Step 4: Simplify right side
    54,874.25x = 1,270,176,771.63
  5. Step 5: Solve for x
    x = 1,270,176,771.63/54,874.25
  6. Step 6: Final answer
    x = 23,147.04

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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.