Home / 41,315.70-61,930.23-20,226.66

Finding the Fourth Proportional to 41,315.70, 61,930.23 and 20,226.66

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Solution

The fourth proportional to 41,315.70, 61,930.23 and 20,226.66 is: 30,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,315.70 : 61,930.23 = 20,226.66 : x
  2. Step 2: Convert to fraction form
    41,315.70/61,930.23 = 20,226.66/x
  3. Step 3: Cross multiply
    41,315.70x = 61,930.23 × 20,226.66
  4. Step 4: Simplify right side
    41,315.70x = 1,252,641,705.93
  5. Step 5: Solve for x
    x = 1,252,641,705.93/41,315.70
  6. Step 6: Final answer
    x = 30,318.78

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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.