Home / 36,086.21-49,801.31-20,171.33

Finding the Fourth Proportional to 36,086.21, 49,801.31 and 20,171.33

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Solution

The fourth proportional to 36,086.21, 49,801.31 and 20,171.33 is: 27,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.21 : 49,801.31 = 20,171.33 : x
  2. Step 2: Convert to fraction form
    36,086.21/49,801.31 = 20,171.33/x
  3. Step 3: Cross multiply
    36,086.21x = 49,801.31 × 20,171.33
  4. Step 4: Simplify right side
    36,086.21x = 1,004,558,658.44
  5. Step 5: Solve for x
    x = 1,004,558,658.44/36,086.21
  6. Step 6: Final answer
    x = 27,837.74

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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.