Home / 54,338.76-81,519.60-16,897.92

Finding the Fourth Proportional to 54,338.76, 81,519.60 and 16,897.92

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Solution

The fourth proportional to 54,338.76, 81,519.60 and 16,897.92 is: 25,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.76 : 81,519.60 = 16,897.92 : x
  2. Step 2: Convert to fraction form
    54,338.76/81,519.60 = 16,897.92/x
  3. Step 3: Cross multiply
    54,338.76x = 81,519.60 × 16,897.92
  4. Step 4: Simplify right side
    54,338.76x = 1,377,511,679.23
  5. Step 5: Solve for x
    x = 1,377,511,679.23/54,338.76
  6. Step 6: Final answer
    x = 25,350.44

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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.