Home / 36,072.72-49,780.60-20,157.84

Finding the Fourth Proportional to 36,072.72, 49,780.60 and 20,157.84

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Solution

The fourth proportional to 36,072.72, 49,780.60 and 20,157.84 is: 27,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.72 : 49,780.60 = 20,157.84 : x
  2. Step 2: Convert to fraction form
    36,072.72/49,780.60 = 20,157.84/x
  3. Step 3: Cross multiply
    36,072.72x = 49,780.60 × 20,157.84
  4. Step 4: Simplify right side
    36,072.72x = 1,003,469,369.90
  5. Step 5: Solve for x
    x = 1,003,469,369.90/36,072.72
  6. Step 6: Final answer
    x = 27,817.96

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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.