Home / 54,078.30-81,103.75-16,118.82

Finding the Fourth Proportional to 54,078.30, 81,103.75 and 16,118.82

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Solution

The fourth proportional to 54,078.30, 81,103.75 and 16,118.82 is: 24,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.30 : 81,103.75 = 16,118.82 : x
  2. Step 2: Convert to fraction form
    54,078.30/81,103.75 = 16,118.82/x
  3. Step 3: Cross multiply
    54,078.30x = 81,103.75 × 16,118.82
  4. Step 4: Simplify right side
    54,078.30x = 1,307,296,747.58
  5. Step 5: Solve for x
    x = 1,307,296,747.58/54,078.30
  6. Step 6: Final answer
    x = 24,174.15

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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.