Home / 36,086.37-49,800.79-20,170.81

Finding the Fourth Proportional to 36,086.37, 49,800.79 and 20,170.81

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Solution

The fourth proportional to 36,086.37, 49,800.79 and 20,170.81 is: 27,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.37 : 49,800.79 = 20,170.81 : x
  2. Step 2: Convert to fraction form
    36,086.37/49,800.79 = 20,170.81/x
  3. Step 3: Cross multiply
    36,086.37x = 49,800.79 × 20,170.81
  4. Step 4: Simplify right side
    36,086.37x = 1,004,522,272.94
  5. Step 5: Solve for x
    x = 1,004,522,272.94/36,086.37
  6. Step 6: Final answer
    x = 27,836.61

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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.