Home / 40,512.69-60,768.78-21,801.54

Finding the Fourth Proportional to 40,512.69, 60,768.78 and 21,801.54

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Solution

The fourth proportional to 40,512.69, 60,768.78 and 21,801.54 is: 32,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.69 : 60,768.78 = 21,801.54 : x
  2. Step 2: Convert to fraction form
    40,512.69/60,768.78 = 21,801.54/x
  3. Step 3: Cross multiply
    40,512.69x = 60,768.78 × 21,801.54
  4. Step 4: Simplify right side
    40,512.69x = 1,324,852,987.92
  5. Step 5: Solve for x
    x = 1,324,852,987.92/40,512.69
  6. Step 6: Final answer
    x = 32,702.17

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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.