Home / 51,374.33-77,067.71-18,087.57

Finding the Fourth Proportional to 51,374.33, 77,067.71 and 18,087.57

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Solution

The fourth proportional to 51,374.33, 77,067.71 and 18,087.57 is: 27,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,374.33 : 77,067.71 = 18,087.57 : x
  2. Step 2: Convert to fraction form
    51,374.33/77,067.71 = 18,087.57/x
  3. Step 3: Cross multiply
    51,374.33x = 77,067.71 × 18,087.57
  4. Step 4: Simplify right side
    51,374.33x = 1,393,967,508.93
  5. Step 5: Solve for x
    x = 1,393,967,508.93/51,374.33
  6. Step 6: Final answer
    x = 27,133.54

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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.