Home / 36,789.67-50,768.25-20,873.78

Finding the Fourth Proportional to 36,789.67, 50,768.25 and 20,873.78

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Solution

The fourth proportional to 36,789.67, 50,768.25 and 20,873.78 is: 28,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,789.67 : 50,768.25 = 20,873.78 : x
  2. Step 2: Convert to fraction form
    36,789.67/50,768.25 = 20,873.78/x
  3. Step 3: Cross multiply
    36,789.67x = 50,768.25 × 20,873.78
  4. Step 4: Simplify right side
    36,789.67x = 1,059,725,139.75
  5. Step 5: Solve for x
    x = 1,059,725,139.75/36,789.67
  6. Step 6: Final answer
    x = 28,804.96

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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.