Home / 41,122.92-61,602.15-18,905.85

Finding the Fourth Proportional to 41,122.92, 61,602.15 and 18,905.85

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Solution

The fourth proportional to 41,122.92, 61,602.15 and 18,905.85 is: 28,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,122.92 : 61,602.15 = 18,905.85 : x
  2. Step 2: Convert to fraction form
    41,122.92/61,602.15 = 18,905.85/x
  3. Step 3: Cross multiply
    41,122.92x = 61,602.15 × 18,905.85
  4. Step 4: Simplify right side
    41,122.92x = 1,164,641,007.58
  5. Step 5: Solve for x
    x = 1,164,641,007.58/41,122.92
  6. Step 6: Final answer
    x = 28,320.97

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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.