Home / 36,195.05-49,949.73-21,087.34

Finding the Fourth Proportional to 36,195.05, 49,949.73 and 21,087.34

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Solution

The fourth proportional to 36,195.05, 49,949.73 and 21,087.34 is: 29,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,195.05 : 49,949.73 = 21,087.34 : x
  2. Step 2: Convert to fraction form
    36,195.05/49,949.73 = 21,087.34/x
  3. Step 3: Cross multiply
    36,195.05x = 49,949.73 × 21,087.34
  4. Step 4: Simplify right side
    36,195.05x = 1,053,306,814.54
  5. Step 5: Solve for x
    x = 1,053,306,814.54/36,195.05
  6. Step 6: Final answer
    x = 29,100.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.