Home / 36,151.97-54,222.61-21,166.01

Finding the Fourth Proportional to 36,151.97, 54,222.61 and 21,166.01

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Solution

The fourth proportional to 36,151.97, 54,222.61 and 21,166.01 is: 31,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.97 : 54,222.61 = 21,166.01 : x
  2. Step 2: Convert to fraction form
    36,151.97/54,222.61 = 21,166.01/x
  3. Step 3: Cross multiply
    36,151.97x = 54,222.61 × 21,166.01
  4. Step 4: Simplify right side
    36,151.97x = 1,147,675,928.54
  5. Step 5: Solve for x
    x = 1,147,675,928.54/36,151.97
  6. Step 6: Final answer
    x = 31,745.88

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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.