Home / 36,537.18-54,754.92-20,512.56

Finding the Fourth Proportional to 36,537.18, 54,754.92 and 20,512.56

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Solution

The fourth proportional to 36,537.18, 54,754.92 and 20,512.56 is: 30,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,537.18 : 54,754.92 = 20,512.56 : x
  2. Step 2: Convert to fraction form
    36,537.18/54,754.92 = 20,512.56/x
  3. Step 3: Cross multiply
    36,537.18x = 54,754.92 × 20,512.56
  4. Step 4: Simplify right side
    36,537.18x = 1,123,163,581.80
  5. Step 5: Solve for x
    x = 1,123,163,581.80/36,537.18
  6. Step 6: Final answer
    x = 30,740.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.