Home / 36,086.87-49,799.94-20,171.30

Finding the Fourth Proportional to 36,086.87, 49,799.94 and 20,171.30

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Solution

The fourth proportional to 36,086.87, 49,799.94 and 20,171.30 is: 27,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.87 : 49,799.94 = 20,171.30 : x
  2. Step 2: Convert to fraction form
    36,086.87/49,799.94 = 20,171.30/x
  3. Step 3: Cross multiply
    36,086.87x = 49,799.94 × 20,171.30
  4. Step 4: Simplify right side
    36,086.87x = 1,004,529,682.00
  5. Step 5: Solve for x
    x = 1,004,529,682.00/36,086.87
  6. Step 6: Final answer
    x = 27,836.43

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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.