Home / 87,911.88-131,865.96-21,352.32

Finding the Fourth Proportional to 87,911.88, 131,865.96 and 21,352.32

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Solution

The fourth proportional to 87,911.88, 131,865.96 and 21,352.32 is: 32,028.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,911.88 : 131,865.96 = 21,352.32 : x
  2. Step 2: Convert to fraction form
    87,911.88/131,865.96 = 21,352.32/x
  3. Step 3: Cross multiply
    87,911.88x = 131,865.96 × 21,352.32
  4. Step 4: Simplify right side
    87,911.88x = 2,815,644,175.03
  5. Step 5: Solve for x
    x = 2,815,644,175.03/87,911.88
  6. Step 6: Final answer
    x = 32,028.03

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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.