Home / 41,405.64-62,110.85-11,821.20

Finding the Fourth Proportional to 41,405.64, 62,110.85 and 11,821.20

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Solution

The fourth proportional to 41,405.64, 62,110.85 and 11,821.20 is: 17,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,405.64 : 62,110.85 = 11,821.20 : x
  2. Step 2: Convert to fraction form
    41,405.64/62,110.85 = 11,821.20/x
  3. Step 3: Cross multiply
    41,405.64x = 62,110.85 × 11,821.20
  4. Step 4: Simplify right side
    41,405.64x = 734,224,720.91
  5. Step 5: Solve for x
    x = 734,224,720.91/41,405.64
  6. Step 6: Final answer
    x = 17,732.48

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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.