Home / 54,910.20-75,777.39-31,036.97

Finding the Fourth Proportional to 54,910.20, 75,777.39 and 31,036.97

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Solution

The fourth proportional to 54,910.20, 75,777.39 and 31,036.97 is: 42,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.20 : 75,777.39 = 31,036.97 : x
  2. Step 2: Convert to fraction form
    54,910.20/75,777.39 = 31,036.97/x
  3. Step 3: Cross multiply
    54,910.20x = 75,777.39 × 31,036.97
  4. Step 4: Simplify right side
    54,910.20x = 2,351,900,580.11
  5. Step 5: Solve for x
    x = 2,351,900,580.11/54,910.20
  6. Step 6: Final answer
    x = 42,831.76

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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.