Home / 55,044.20-75,961.31-31,173.09

Finding the Fourth Proportional to 55,044.20, 75,961.31 and 31,173.09

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Solution

The fourth proportional to 55,044.20, 75,961.31 and 31,173.09 is: 43,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,044.20 : 75,961.31 = 31,173.09 : x
  2. Step 2: Convert to fraction form
    55,044.20/75,961.31 = 31,173.09/x
  3. Step 3: Cross multiply
    55,044.20x = 75,961.31 × 31,173.09
  4. Step 4: Simplify right side
    55,044.20x = 2,367,948,597.28
  5. Step 5: Solve for x
    x = 2,367,948,597.28/55,044.20
  6. Step 6: Final answer
    x = 43,019.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.