Home / 54,209.31-81,321.71-16,772.58

Finding the Fourth Proportional to 54,209.31, 81,321.71 and 16,772.58

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Solution

The fourth proportional to 54,209.31, 81,321.71 and 16,772.58 is: 25,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,209.31 : 81,321.71 = 16,772.58 : x
  2. Step 2: Convert to fraction form
    54,209.31/81,321.71 = 16,772.58/x
  3. Step 3: Cross multiply
    54,209.31x = 81,321.71 × 16,772.58
  4. Step 4: Simplify right side
    54,209.31x = 1,363,974,396.24
  5. Step 5: Solve for x
    x = 1,363,974,396.24/54,209.31
  6. Step 6: Final answer
    x = 25,161.26

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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.