Home / 37,049.43-51,128.24-20,282.43

Finding the Fourth Proportional to 37,049.43, 51,128.24 and 20,282.43

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Solution

The fourth proportional to 37,049.43, 51,128.24 and 20,282.43 is: 27,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,049.43 : 51,128.24 = 20,282.43 : x
  2. Step 2: Convert to fraction form
    37,049.43/51,128.24 = 20,282.43/x
  3. Step 3: Cross multiply
    37,049.43x = 51,128.24 × 20,282.43
  4. Step 4: Simplify right side
    37,049.43x = 1,037,004,847.41
  5. Step 5: Solve for x
    x = 1,037,004,847.41/37,049.43
  6. Step 6: Final answer
    x = 27,989.77

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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.