Home / 36,076.60-49,785.61-20,161.04

Finding the Fourth Proportional to 36,076.60, 49,785.61 and 20,161.04

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Solution

The fourth proportional to 36,076.60, 49,785.61 and 20,161.04 is: 27,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,076.60 : 49,785.61 = 20,161.04 : x
  2. Step 2: Convert to fraction form
    36,076.60/49,785.61 = 20,161.04/x
  3. Step 3: Cross multiply
    36,076.60x = 49,785.61 × 20,161.04
  4. Step 4: Simplify right side
    36,076.60x = 1,003,729,674.63
  5. Step 5: Solve for x
    x = 1,003,729,674.63/36,076.60
  6. Step 6: Final answer
    x = 27,822.18

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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.