Home / 51,367.26-77,067.36-21,809.97

Finding the Fourth Proportional to 51,367.26, 77,067.36 and 21,809.97

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Solution

The fourth proportional to 51,367.26, 77,067.36 and 21,809.97 is: 32,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,367.26 : 77,067.36 = 21,809.97 : x
  2. Step 2: Convert to fraction form
    51,367.26/77,067.36 = 21,809.97/x
  3. Step 3: Cross multiply
    51,367.26x = 77,067.36 × 21,809.97
  4. Step 4: Simplify right side
    51,367.26x = 1,680,836,809.58
  5. Step 5: Solve for x
    x = 1,680,836,809.58/51,367.26
  6. Step 6: Final answer
    x = 32,721.95

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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.