Home / 31,300.22-43,198.44-17,868.44

Finding the Fourth Proportional to 31,300.22, 43,198.44 and 17,868.44

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Solution

The fourth proportional to 31,300.22, 43,198.44 and 17,868.44 is: 24,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,300.22 : 43,198.44 = 17,868.44 : x
  2. Step 2: Convert to fraction form
    31,300.22/43,198.44 = 17,868.44/x
  3. Step 3: Cross multiply
    31,300.22x = 43,198.44 × 17,868.44
  4. Step 4: Simplify right side
    31,300.22x = 771,888,733.23
  5. Step 5: Solve for x
    x = 771,888,733.23/31,300.22
  6. Step 6: Final answer
    x = 24,660.81

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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.