Home / 31,117.35-46,661.45-11,382.11

Finding the Fourth Proportional to 31,117.35, 46,661.45 and 11,382.11

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Solution

The fourth proportional to 31,117.35, 46,661.45 and 11,382.11 is: 17,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117.35 : 46,661.45 = 11,382.11 : x
  2. Step 2: Convert to fraction form
    31,117.35/46,661.45 = 11,382.11/x
  3. Step 3: Cross multiply
    31,117.35x = 46,661.45 × 11,382.11
  4. Step 4: Simplify right side
    31,117.35x = 531,105,756.66
  5. Step 5: Solve for x
    x = 531,105,756.66/31,117.35
  6. Step 6: Final answer
    x = 17,067.83

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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.