Home / 54,498.87-81,714.84-21,180.03

Finding the Fourth Proportional to 54,498.87, 81,714.84 and 21,180.03

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Solution

The fourth proportional to 54,498.87, 81,714.84 and 21,180.03 is: 31,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,498.87 : 81,714.84 = 21,180.03 : x
  2. Step 2: Convert to fraction form
    54,498.87/81,714.84 = 21,180.03/x
  3. Step 3: Cross multiply
    54,498.87x = 81,714.84 × 21,180.03
  4. Step 4: Simplify right side
    54,498.87x = 1,730,722,354.07
  5. Step 5: Solve for x
    x = 1,730,722,354.07/54,498.87
  6. Step 6: Final answer
    x = 31,757.03

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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.