Home / 36,072.30-49,777.56-20,157.96

Finding the Fourth Proportional to 36,072.30, 49,777.56 and 20,157.96

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Solution

The fourth proportional to 36,072.30, 49,777.56 and 20,157.96 is: 27,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.30 : 49,777.56 = 20,157.96 : x
  2. Step 2: Convert to fraction form
    36,072.30/49,777.56 = 20,157.96/x
  3. Step 3: Cross multiply
    36,072.30x = 49,777.56 × 20,157.96
  4. Step 4: Simplify right side
    36,072.30x = 1,003,414,063.38
  5. Step 5: Solve for x
    x = 1,003,414,063.38/36,072.30
  6. Step 6: Final answer
    x = 27,816.75

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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.