Home / 36,721.84-55,091.76-11,761.96

Finding the Fourth Proportional to 36,721.84, 55,091.76 and 11,761.96

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Solution

The fourth proportional to 36,721.84, 55,091.76 and 11,761.96 is: 17,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.84 : 55,091.76 = 11,761.96 : x
  2. Step 2: Convert to fraction form
    36,721.84/55,091.76 = 11,761.96/x
  3. Step 3: Cross multiply
    36,721.84x = 55,091.76 × 11,761.96
  4. Step 4: Simplify right side
    36,721.84x = 647,987,077.45
  5. Step 5: Solve for x
    x = 647,987,077.45/36,721.84
  6. Step 6: Final answer
    x = 17,645.82

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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.