Home / 36,780.75-50,757.84-20,013.75

Finding the Fourth Proportional to 36,780.75, 50,757.84 and 20,013.75

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Solution

The fourth proportional to 36,780.75, 50,757.84 and 20,013.75 is: 27,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.75 : 50,757.84 = 20,013.75 : x
  2. Step 2: Convert to fraction form
    36,780.75/50,757.84 = 20,013.75/x
  3. Step 3: Cross multiply
    36,780.75x = 50,757.84 × 20,013.75
  4. Step 4: Simplify right side
    36,780.75x = 1,015,854,720.30
  5. Step 5: Solve for x
    x = 1,015,854,720.30/36,780.75
  6. Step 6: Final answer
    x = 27,619.20

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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.