Home / 31,198.77-46,764.41-12,458.21

Finding the Fourth Proportional to 31,198.77, 46,764.41 and 12,458.21

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Solution

The fourth proportional to 31,198.77, 46,764.41 and 12,458.21 is: 18,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198.77 : 46,764.41 = 12,458.21 : x
  2. Step 2: Convert to fraction form
    31,198.77/46,764.41 = 12,458.21/x
  3. Step 3: Cross multiply
    31,198.77x = 46,764.41 × 12,458.21
  4. Step 4: Simplify right side
    31,198.77x = 582,600,544.19
  5. Step 5: Solve for x
    x = 582,600,544.19/31,198.77
  6. Step 6: Final answer
    x = 18,673.83

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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.