Home / 36,086.36-49,799.01-20,170.70

Finding the Fourth Proportional to 36,086.36, 49,799.01 and 20,170.70

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Solution

The fourth proportional to 36,086.36, 49,799.01 and 20,170.70 is: 27,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.36 : 49,799.01 = 20,170.70 : x
  2. Step 2: Convert to fraction form
    36,086.36/49,799.01 = 20,170.70/x
  3. Step 3: Cross multiply
    36,086.36x = 49,799.01 × 20,170.70
  4. Step 4: Simplify right side
    36,086.36x = 1,004,480,891.01
  5. Step 5: Solve for x
    x = 1,004,480,891.01/36,086.36
  6. Step 6: Final answer
    x = 27,835.47

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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.