Home / 31,310.73-43,208.73-17,163.66

Finding the Fourth Proportional to 31,310.73, 43,208.73 and 17,163.66

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Solution

The fourth proportional to 31,310.73, 43,208.73 and 17,163.66 is: 23,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.73 : 43,208.73 = 17,163.66 : x
  2. Step 2: Convert to fraction form
    31,310.73/43,208.73 = 17,163.66/x
  3. Step 3: Cross multiply
    31,310.73x = 43,208.73 × 17,163.66
  4. Step 4: Simplify right side
    31,310.73x = 741,619,950.75
  5. Step 5: Solve for x
    x = 741,619,950.75/31,310.73
  6. Step 6: Final answer
    x = 23,685.81

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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.