Home / 37,576.20-51,853.78-21,661.32

Finding the Fourth Proportional to 37,576.20, 51,853.78 and 21,661.32

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Solution

The fourth proportional to 37,576.20, 51,853.78 and 21,661.32 is: 29,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,576.20 : 51,853.78 = 21,661.32 : x
  2. Step 2: Convert to fraction form
    37,576.20/51,853.78 = 21,661.32/x
  3. Step 3: Cross multiply
    37,576.20x = 51,853.78 × 21,661.32
  4. Step 4: Simplify right side
    37,576.20x = 1,123,221,321.79
  5. Step 5: Solve for x
    x = 1,123,221,321.79/37,576.20
  6. Step 6: Final answer
    x = 29,891.83

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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.