Home / 31,410.44-43,348.98-18,834.92

Finding the Fourth Proportional to 31,410.44, 43,348.98 and 18,834.92

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Solution

The fourth proportional to 31,410.44, 43,348.98 and 18,834.92 is: 25,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.44 : 43,348.98 = 18,834.92 : x
  2. Step 2: Convert to fraction form
    31,410.44/43,348.98 = 18,834.92/x
  3. Step 3: Cross multiply
    31,410.44x = 43,348.98 × 18,834.92
  4. Step 4: Simplify right side
    31,410.44x = 816,474,570.38
  5. Step 5: Solve for x
    x = 816,474,570.38/31,410.44
  6. Step 6: Final answer
    x = 25,993.73

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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.