Home / 50,721.25-76,067-19,108.50

Finding the Fourth Proportional to 50,721.25, 76,067 and 19,108.50

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Solution

The fourth proportional to 50,721.25, 76,067 and 19,108.50 is: 28,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.25 : 76,067 = 19,108.50 : x
  2. Step 2: Convert to fraction form
    50,721.25/76,067 = 19,108.50/x
  3. Step 3: Cross multiply
    50,721.25x = 76,067 × 19,108.50
  4. Step 4: Simplify right side
    50,721.25x = 1,453,526,269.50
  5. Step 5: Solve for x
    x = 1,453,526,269.50/50,721.25
  6. Step 6: Final answer
    x = 28,657.15

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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.