Home / 36,060.56-49,760.28-20,142.80

Finding the Fourth Proportional to 36,060.56, 49,760.28 and 20,142.80

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Solution

The fourth proportional to 36,060.56, 49,760.28 and 20,142.80 is: 27,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,060.56 : 49,760.28 = 20,142.80 : x
  2. Step 2: Convert to fraction form
    36,060.56/49,760.28 = 20,142.80/x
  3. Step 3: Cross multiply
    36,060.56x = 49,760.28 × 20,142.80
  4. Step 4: Simplify right side
    36,060.56x = 1,002,311,367.98
  5. Step 5: Solve for x
    x = 1,002,311,367.98/36,060.56
  6. Step 6: Final answer
    x = 27,795.22

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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.