Home / 54,884.45-75,739.56-31,010.61

Finding the Fourth Proportional to 54,884.45, 75,739.56 and 31,010.61

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Solution

The fourth proportional to 54,884.45, 75,739.56 and 31,010.61 is: 42,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,884.45 : 75,739.56 = 31,010.61 : x
  2. Step 2: Convert to fraction form
    54,884.45/75,739.56 = 31,010.61/x
  3. Step 3: Cross multiply
    54,884.45x = 75,739.56 × 31,010.61
  4. Step 4: Simplify right side
    54,884.45x = 2,348,730,211.68
  5. Step 5: Solve for x
    x = 2,348,730,211.68/54,884.45
  6. Step 6: Final answer
    x = 42,794.09

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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.