Home / 31,243.20-43,198.56-27,306.60

Finding the Fourth Proportional to 31,243.20, 43,198.56 and 27,306.60

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Solution

The fourth proportional to 31,243.20, 43,198.56 and 27,306.60 is: 37,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.20 : 43,198.56 = 27,306.60 : x
  2. Step 2: Convert to fraction form
    31,243.20/43,198.56 = 27,306.60/x
  3. Step 3: Cross multiply
    31,243.20x = 43,198.56 × 27,306.60
  4. Step 4: Simplify right side
    31,243.20x = 1,179,605,798.50
  5. Step 5: Solve for x
    x = 1,179,605,798.50/31,243.20
  6. Step 6: Final answer
    x = 37,755.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.