Home / 31,310.73-43,208.55-17,163.54

Finding the Fourth Proportional to 31,310.73, 43,208.55 and 17,163.54

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Solution

The fourth proportional to 31,310.73, 43,208.55 and 17,163.54 is: 23,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.73 : 43,208.55 = 17,163.54 : x
  2. Step 2: Convert to fraction form
    31,310.73/43,208.55 = 17,163.54/x
  3. Step 3: Cross multiply
    31,310.73x = 43,208.55 × 17,163.54
  4. Step 4: Simplify right side
    31,310.73x = 741,611,676.27
  5. Step 5: Solve for x
    x = 741,611,676.27/31,310.73
  6. Step 6: Final answer
    x = 23,685.54

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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.