Home / 41,331.20-61,999.20-11,751.20

Finding the Fourth Proportional to 41,331.20, 61,999.20 and 11,751.20

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Solution

The fourth proportional to 41,331.20, 61,999.20 and 11,751.20 is: 17,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,331.20 : 61,999.20 = 11,751.20 : x
  2. Step 2: Convert to fraction form
    41,331.20/61,999.20 = 11,751.20/x
  3. Step 3: Cross multiply
    41,331.20x = 61,999.20 × 11,751.20
  4. Step 4: Simplify right side
    41,331.20x = 728,564,999.04
  5. Step 5: Solve for x
    x = 728,564,999.04/41,331.20
  6. Step 6: Final answer
    x = 17,627.48

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1.5x scale

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.