Home / 31,212.88-46,823.97-11,489.92

Finding the Fourth Proportional to 31,212.88, 46,823.97 and 11,489.92

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Solution

The fourth proportional to 31,212.88, 46,823.97 and 11,489.92 is: 17,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.88 : 46,823.97 = 11,489.92 : x
  2. Step 2: Convert to fraction form
    31,212.88/46,823.97 = 11,489.92/x
  3. Step 3: Cross multiply
    31,212.88x = 46,823.97 × 11,489.92
  4. Step 4: Simplify right side
    31,212.88x = 538,003,435.26
  5. Step 5: Solve for x
    x = 538,003,435.26/31,212.88
  6. Step 6: Final answer
    x = 17,236.59

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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.