Home / 49,722.43-74,581.21-18,555.25

Finding the Fourth Proportional to 49,722.43, 74,581.21 and 18,555.25

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Solution

The fourth proportional to 49,722.43, 74,581.21 and 18,555.25 is: 27,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,722.43 : 74,581.21 = 18,555.25 : x
  2. Step 2: Convert to fraction form
    49,722.43/74,581.21 = 18,555.25/x
  3. Step 3: Cross multiply
    49,722.43x = 74,581.21 × 18,555.25
  4. Step 4: Simplify right side
    49,722.43x = 1,383,872,996.85
  5. Step 5: Solve for x
    x = 1,383,872,996.85/49,722.43
  6. Step 6: Final answer
    x = 27,831.97

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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.