Home / 61,231.20-91,760.40-29,997.60

Finding the Fourth Proportional to 61,231.20, 91,760.40 and 29,997.60

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Solution

The fourth proportional to 61,231.20, 91,760.40 and 29,997.60 is: 44,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,231.20 : 91,760.40 = 29,997.60 : x
  2. Step 2: Convert to fraction form
    61,231.20/91,760.40 = 29,997.60/x
  3. Step 3: Cross multiply
    61,231.20x = 91,760.40 × 29,997.60
  4. Step 4: Simplify right side
    61,231.20x = 2,752,591,775.04
  5. Step 5: Solve for x
    x = 2,752,591,775.04/61,231.20
  6. Step 6: Final answer
    x = 44,954.07

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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.