Home / 31,243.26-46,865.43-11,511.66

Finding the Fourth Proportional to 31,243.26, 46,865.43 and 11,511.66

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Solution

The fourth proportional to 31,243.26, 46,865.43 and 11,511.66 is: 17,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.26 : 46,865.43 = 11,511.66 : x
  2. Step 2: Convert to fraction form
    31,243.26/46,865.43 = 11,511.66/x
  3. Step 3: Cross multiply
    31,243.26x = 46,865.43 × 11,511.66
  4. Step 4: Simplify right side
    31,243.26x = 539,498,895.91
  5. Step 5: Solve for x
    x = 539,498,895.91/31,243.26
  6. Step 6: Final answer
    x = 17,267.69

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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.