Home / 31,717.74-43,767.36-18,105.96

Finding the Fourth Proportional to 31,717.74, 43,767.36 and 18,105.96

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Solution

The fourth proportional to 31,717.74, 43,767.36 and 18,105.96 is: 24,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.74 : 43,767.36 = 18,105.96 : x
  2. Step 2: Convert to fraction form
    31,717.74/43,767.36 = 18,105.96/x
  3. Step 3: Cross multiply
    31,717.74x = 43,767.36 × 18,105.96
  4. Step 4: Simplify right side
    31,717.74x = 792,450,069.47
  5. Step 5: Solve for x
    x = 792,450,069.47/31,717.74
  6. Step 6: Final answer
    x = 24,984.44

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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.