Home / 73,036.97-109,489.33-28,651.81

Finding the Fourth Proportional to 73,036.97, 109,489.33 and 28,651.81

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Solution

The fourth proportional to 73,036.97, 109,489.33 and 28,651.81 is: 42,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,036.97 : 109,489.33 = 28,651.81 : x
  2. Step 2: Convert to fraction form
    73,036.97/109,489.33 = 28,651.81/x
  3. Step 3: Cross multiply
    73,036.97x = 109,489.33 × 28,651.81
  4. Step 4: Simplify right side
    73,036.97x = 3,137,067,480.19
  5. Step 5: Solve for x
    x = 3,137,067,480.19/73,036.97
  6. Step 6: Final answer
    x = 42,951.77

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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.