Home / 33,240.48-49,743.62-20,766.38

Finding the Fourth Proportional to 33,240.48, 49,743.62 and 20,766.38

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Solution

The fourth proportional to 33,240.48, 49,743.62 and 20,766.38 is: 31,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.48 : 49,743.62 = 20,766.38 : x
  2. Step 2: Convert to fraction form
    33,240.48/49,743.62 = 20,766.38/x
  3. Step 3: Cross multiply
    33,240.48x = 49,743.62 × 20,766.38
  4. Step 4: Simplify right side
    33,240.48x = 1,032,994,640.82
  5. Step 5: Solve for x
    x = 1,032,994,640.82/33,240.48
  6. Step 6: Final answer
    x = 31,076.41

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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.