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Finding the Fourth Proportional to 22,089.44, 33,134.45 and 5,449.43

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Solution

The fourth proportional to 22,089.44, 33,134.45 and 5,449.43 is: 8,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,089.44 : 33,134.45 = 5,449.43 : x
  2. Step 2: Convert to fraction form
    22,089.44/33,134.45 = 5,449.43/x
  3. Step 3: Cross multiply
    22,089.44x = 33,134.45 × 5,449.43
  4. Step 4: Simplify right side
    22,089.44x = 180,563,672.94
  5. Step 5: Solve for x
    x = 180,563,672.94/22,089.44
  6. Step 6: Final answer
    x = 8,174.21

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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.