Home / 31,718.36-43,771.68-17,572.04

Finding the Fourth Proportional to 31,718.36, 43,771.68 and 17,572.04

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Solution

The fourth proportional to 31,718.36, 43,771.68 and 17,572.04 is: 24,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.36 : 43,771.68 = 17,572.04 : x
  2. Step 2: Convert to fraction form
    31,718.36/43,771.68 = 17,572.04/x
  3. Step 3: Cross multiply
    31,718.36x = 43,771.68 × 17,572.04
  4. Step 4: Simplify right side
    31,718.36x = 769,157,711.83
  5. Step 5: Solve for x
    x = 769,157,711.83/31,718.36
  6. Step 6: Final answer
    x = 24,249.61

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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.