Home / 36,012.52-49,700.09-20,099.36

Finding the Fourth Proportional to 36,012.52, 49,700.09 and 20,099.36

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Solution

The fourth proportional to 36,012.52, 49,700.09 and 20,099.36 is: 27,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.52 : 49,700.09 = 20,099.36 : x
  2. Step 2: Convert to fraction form
    36,012.52/49,700.09 = 20,099.36/x
  3. Step 3: Cross multiply
    36,012.52x = 49,700.09 × 20,099.36
  4. Step 4: Simplify right side
    36,012.52x = 998,940,175.44
  5. Step 5: Solve for x
    x = 998,940,175.44/36,012.52
  6. Step 6: Final answer
    x = 27,738.69

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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.