Home / 31,247.25-43,121.61-17,099.79

Finding the Fourth Proportional to 31,247.25, 43,121.61 and 17,099.79

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Solution

The fourth proportional to 31,247.25, 43,121.61 and 17,099.79 is: 23,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.25 : 43,121.61 = 17,099.79 : x
  2. Step 2: Convert to fraction form
    31,247.25/43,121.61 = 17,099.79/x
  3. Step 3: Cross multiply
    31,247.25x = 43,121.61 × 17,099.79
  4. Step 4: Simplify right side
    31,247.25x = 737,370,475.46
  5. Step 5: Solve for x
    x = 737,370,475.46/31,247.25
  6. Step 6: Final answer
    x = 23,597.93

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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.