Home / 54,108.52-81,171.50-16,668.58

Finding the Fourth Proportional to 54,108.52, 81,171.50 and 16,668.58

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Solution

The fourth proportional to 54,108.52, 81,171.50 and 16,668.58 is: 25,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.52 : 81,171.50 = 16,668.58 : x
  2. Step 2: Convert to fraction form
    54,108.52/81,171.50 = 16,668.58/x
  3. Step 3: Cross multiply
    54,108.52x = 81,171.50 × 16,668.58
  4. Step 4: Simplify right side
    54,108.52x = 1,353,013,641.47
  5. Step 5: Solve for x
    x = 1,353,013,641.47/54,108.52
  6. Step 6: Final answer
    x = 25,005.56

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1.5x scale

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.