Home / 31,388.67-43,318.49-17,241.66

Finding the Fourth Proportional to 31,388.67, 43,318.49 and 17,241.66

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Solution

The fourth proportional to 31,388.67, 43,318.49 and 17,241.66 is: 23,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.67 : 43,318.49 = 17,241.66 : x
  2. Step 2: Convert to fraction form
    31,388.67/43,318.49 = 17,241.66/x
  3. Step 3: Cross multiply
    31,388.67x = 43,318.49 × 17,241.66
  4. Step 4: Simplify right side
    31,388.67x = 746,882,590.09
  5. Step 5: Solve for x
    x = 746,882,590.09/31,388.67
  6. Step 6: Final answer
    x = 23,794.66

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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.