Home / 31,249.82-46,860.14-18,105.95

Finding the Fourth Proportional to 31,249.82, 46,860.14 and 18,105.95

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Solution

The fourth proportional to 31,249.82, 46,860.14 and 18,105.95 is: 27,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.82 : 46,860.14 = 18,105.95 : x
  2. Step 2: Convert to fraction form
    31,249.82/46,860.14 = 18,105.95/x
  3. Step 3: Cross multiply
    31,249.82x = 46,860.14 × 18,105.95
  4. Step 4: Simplify right side
    31,249.82x = 848,447,117.53
  5. Step 5: Solve for x
    x = 848,447,117.53/31,249.82
  6. Step 6: Final answer
    x = 27,150.47

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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.