Home / 54,237.58-81,380.31-18,704.29

Finding the Fourth Proportional to 54,237.58, 81,380.31 and 18,704.29

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Solution

The fourth proportional to 54,237.58, 81,380.31 and 18,704.29 is: 28,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.58 : 81,380.31 = 18,704.29 : x
  2. Step 2: Convert to fraction form
    54,237.58/81,380.31 = 18,704.29/x
  3. Step 3: Cross multiply
    54,237.58x = 81,380.31 × 18,704.29
  4. Step 4: Simplify right side
    54,237.58x = 1,522,160,918.53
  5. Step 5: Solve for x
    x = 1,522,160,918.53/54,237.58
  6. Step 6: Final answer
    x = 28,064.69

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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.