Home / 31,115.44-46,659.42-8,923.78

Finding the Fourth Proportional to 31,115.44, 46,659.42 and 8,923.78

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Solution

The fourth proportional to 31,115.44, 46,659.42 and 8,923.78 is: 13,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115.44 : 46,659.42 = 8,923.78 : x
  2. Step 2: Convert to fraction form
    31,115.44/46,659.42 = 8,923.78/x
  3. Step 3: Cross multiply
    31,115.44x = 46,659.42 × 8,923.78
  4. Step 4: Simplify right side
    31,115.44x = 416,378,399.01
  5. Step 5: Solve for x
    x = 416,378,399.01/31,115.44
  6. Step 6: Final answer
    x = 13,381.73

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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.