Home / 36,028.75-49,718.62-20,112.85

Finding the Fourth Proportional to 36,028.75, 49,718.62 and 20,112.85

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Solution

The fourth proportional to 36,028.75, 49,718.62 and 20,112.85 is: 27,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,028.75 : 49,718.62 = 20,112.85 : x
  2. Step 2: Convert to fraction form
    36,028.75/49,718.62 = 20,112.85/x
  3. Step 3: Cross multiply
    36,028.75x = 49,718.62 × 20,112.85
  4. Step 4: Simplify right side
    36,028.75x = 999,983,146.27
  5. Step 5: Solve for x
    x = 999,983,146.27/36,028.75
  6. Step 6: Final answer
    x = 27,755.14

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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.