Home / 36,711.52-50,649.85-20,576.47

Finding the Fourth Proportional to 36,711.52, 50,649.85 and 20,576.47

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Solution

The fourth proportional to 36,711.52, 50,649.85 and 20,576.47 is: 28,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,711.52 : 50,649.85 = 20,576.47 : x
  2. Step 2: Convert to fraction form
    36,711.52/50,649.85 = 20,576.47/x
  3. Step 3: Cross multiply
    36,711.52x = 50,649.85 × 20,576.47
  4. Step 4: Simplify right side
    36,711.52x = 1,042,195,119.03
  5. Step 5: Solve for x
    x = 1,042,195,119.03/36,711.52
  6. Step 6: Final answer
    x = 28,388.78

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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.