Home / 36,111.97-49,839.24-20,199.70

Finding the Fourth Proportional to 36,111.97, 49,839.24 and 20,199.70

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Solution

The fourth proportional to 36,111.97, 49,839.24 and 20,199.70 is: 27,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.97 : 49,839.24 = 20,199.70 : x
  2. Step 2: Convert to fraction form
    36,111.97/49,839.24 = 20,199.70/x
  3. Step 3: Cross multiply
    36,111.97x = 49,839.24 × 20,199.70
  4. Step 4: Simplify right side
    36,111.97x = 1,006,737,696.23
  5. Step 5: Solve for x
    x = 1,006,737,696.23/36,111.97
  6. Step 6: Final answer
    x = 27,878.23

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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.