Home / 52,879.38-79,330-17,821.76

Finding the Fourth Proportional to 52,879.38, 79,330 and 17,821.76

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Solution

The fourth proportional to 52,879.38, 79,330 and 17,821.76 is: 26,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.38 : 79,330 = 17,821.76 : x
  2. Step 2: Convert to fraction form
    52,879.38/79,330 = 17,821.76/x
  3. Step 3: Cross multiply
    52,879.38x = 79,330 × 17,821.76
  4. Step 4: Simplify right side
    52,879.38x = 1,413,800,220.80
  5. Step 5: Solve for x
    x = 1,413,800,220.80/52,879.38
  6. Step 6: Final answer
    x = 26,736.32

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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.