Home / 41,379.12-62,020.07-19,145.54

Finding the Fourth Proportional to 41,379.12, 62,020.07 and 19,145.54

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Solution

The fourth proportional to 41,379.12, 62,020.07 and 19,145.54 is: 28,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,379.12 : 62,020.07 = 19,145.54 : x
  2. Step 2: Convert to fraction form
    41,379.12/62,020.07 = 19,145.54/x
  3. Step 3: Cross multiply
    41,379.12x = 62,020.07 × 19,145.54
  4. Step 4: Simplify right side
    41,379.12x = 1,187,407,325.16
  5. Step 5: Solve for x
    x = 1,187,407,325.16/41,379.12
  6. Step 6: Final answer
    x = 28,695.81

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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.