Home / 54,105.52-81,166.02-16,668.68

Finding the Fourth Proportional to 54,105.52, 81,166.02 and 16,668.68

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Solution

The fourth proportional to 54,105.52, 81,166.02 and 16,668.68 is: 25,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,105.52 : 81,166.02 = 16,668.68 : x
  2. Step 2: Convert to fraction form
    54,105.52/81,166.02 = 16,668.68/x
  3. Step 3: Cross multiply
    54,105.52x = 81,166.02 × 16,668.68
  4. Step 4: Simplify right side
    54,105.52x = 1,352,930,414.25
  5. Step 5: Solve for x
    x = 1,352,930,414.25/54,105.52
  6. Step 6: Final answer
    x = 25,005.40

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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.