Home / 36,694.96-50,638.91-20,780.89

Finding the Fourth Proportional to 36,694.96, 50,638.91 and 20,780.89

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Solution

The fourth proportional to 36,694.96, 50,638.91 and 20,780.89 is: 28,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,694.96 : 50,638.91 = 20,780.89 : x
  2. Step 2: Convert to fraction form
    36,694.96/50,638.91 = 20,780.89/x
  3. Step 3: Cross multiply
    36,694.96x = 50,638.91 × 20,780.89
  4. Step 4: Simplify right side
    36,694.96x = 1,052,321,387.93
  5. Step 5: Solve for x
    x = 1,052,321,387.93/36,694.96
  6. Step 6: Final answer
    x = 28,677.55

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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.