Home / 31,163.58-43,007.49-17,017.74

Finding the Fourth Proportional to 31,163.58, 43,007.49 and 17,017.74

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Solution

The fourth proportional to 31,163.58, 43,007.49 and 17,017.74 is: 23,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163.58 : 43,007.49 = 17,017.74 : x
  2. Step 2: Convert to fraction form
    31,163.58/43,007.49 = 17,017.74/x
  3. Step 3: Cross multiply
    31,163.58x = 43,007.49 × 17,017.74
  4. Step 4: Simplify right side
    31,163.58x = 731,890,282.87
  5. Step 5: Solve for x
    x = 731,890,282.87/31,163.58
  6. Step 6: Final answer
    x = 23,485.44

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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.