Home / 31,404.48-43,338.44-17,257.64

Finding the Fourth Proportional to 31,404.48, 43,338.44 and 17,257.64

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Solution

The fourth proportional to 31,404.48, 43,338.44 and 17,257.64 is: 23,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,404.48 : 43,338.44 = 17,257.64 : x
  2. Step 2: Convert to fraction form
    31,404.48/43,338.44 = 17,257.64/x
  3. Step 3: Cross multiply
    31,404.48x = 43,338.44 × 17,257.64
  4. Step 4: Simplify right side
    31,404.48x = 747,919,195.68
  5. Step 5: Solve for x
    x = 747,919,195.68/31,404.48
  6. Step 6: Final answer
    x = 23,815.68

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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.