Home / 31,108.75-46,667.82-11,382.61

Finding the Fourth Proportional to 31,108.75, 46,667.82 and 11,382.61

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Solution

The fourth proportional to 31,108.75, 46,667.82 and 11,382.61 is: 17,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.75 : 46,667.82 = 11,382.61 : x
  2. Step 2: Convert to fraction form
    31,108.75/46,667.82 = 11,382.61/x
  3. Step 3: Cross multiply
    31,108.75x = 46,667.82 × 11,382.61
  4. Step 4: Simplify right side
    31,108.75x = 531,201,594.61
  5. Step 5: Solve for x
    x = 531,201,594.61/31,108.75
  6. Step 6: Final answer
    x = 17,075.63

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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.