Home / 31,321.44-46,982.97-7,949.70

Finding the Fourth Proportional to 31,321.44, 46,982.97 and 7,949.70

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Solution

The fourth proportional to 31,321.44, 46,982.97 and 7,949.70 is: 11,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,321.44 : 46,982.97 = 7,949.70 : x
  2. Step 2: Convert to fraction form
    31,321.44/46,982.97 = 7,949.70/x
  3. Step 3: Cross multiply
    31,321.44x = 46,982.97 × 7,949.70
  4. Step 4: Simplify right side
    31,321.44x = 373,500,516.61
  5. Step 5: Solve for x
    x = 373,500,516.61/31,321.44
  6. Step 6: Final answer
    x = 11,924.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.