Home / 36,221.80-54,340.44-11,261.28

Finding the Fourth Proportional to 36,221.80, 54,340.44 and 11,261.28

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Solution

The fourth proportional to 36,221.80, 54,340.44 and 11,261.28 is: 16,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.80 : 54,340.44 = 11,261.28 : x
  2. Step 2: Convert to fraction form
    36,221.80/54,340.44 = 11,261.28/x
  3. Step 3: Cross multiply
    36,221.80x = 54,340.44 × 11,261.28
  4. Step 4: Simplify right side
    36,221.80x = 611,942,910.16
  5. Step 5: Solve for x
    x = 611,942,910.16/36,221.80
  6. Step 6: Final answer
    x = 16,894.33

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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.