Home / 31,519.69-43,496.03-17,179.22

Finding the Fourth Proportional to 31,519.69, 43,496.03 and 17,179.22

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Solution

The fourth proportional to 31,519.69, 43,496.03 and 17,179.22 is: 23,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.69 : 43,496.03 = 17,179.22 : x
  2. Step 2: Convert to fraction form
    31,519.69/43,496.03 = 17,179.22/x
  3. Step 3: Cross multiply
    31,519.69x = 43,496.03 × 17,179.22
  4. Step 4: Simplify right side
    31,519.69x = 747,228,020.18
  5. Step 5: Solve for x
    x = 747,228,020.18/31,519.69
  6. Step 6: Final answer
    x = 23,706.71

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1.5x scale

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.