Home / 34,221.28-51,348.24-18,638.56

Finding the Fourth Proportional to 34,221.28, 51,348.24 and 18,638.56

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Solution

The fourth proportional to 34,221.28, 51,348.24 and 18,638.56 is: 27,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,221.28 : 51,348.24 = 18,638.56 : x
  2. Step 2: Convert to fraction form
    34,221.28/51,348.24 = 18,638.56/x
  3. Step 3: Cross multiply
    34,221.28x = 51,348.24 × 18,638.56
  4. Step 4: Simplify right side
    34,221.28x = 957,057,252.13
  5. Step 5: Solve for x
    x = 957,057,252.13/34,221.28
  6. Step 6: Final answer
    x = 27,966.73

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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.