Home / 54,909.32-82,363.20-17,471.72

Finding the Fourth Proportional to 54,909.32, 82,363.20 and 17,471.72

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Solution

The fourth proportional to 54,909.32, 82,363.20 and 17,471.72 is: 26,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.32 : 82,363.20 = 17,471.72 : x
  2. Step 2: Convert to fraction form
    54,909.32/82,363.20 = 17,471.72/x
  3. Step 3: Cross multiply
    54,909.32x = 82,363.20 × 17,471.72
  4. Step 4: Simplify right side
    54,909.32x = 1,439,026,768.70
  5. Step 5: Solve for x
    x = 1,439,026,768.70/54,909.32
  6. Step 6: Final answer
    x = 26,207.33

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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.