Home / 31,047.11-46,571.09-8,860.47

Finding the Fourth Proportional to 31,047.11, 46,571.09 and 8,860.47

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Solution

The fourth proportional to 31,047.11, 46,571.09 and 8,860.47 is: 13,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.11 : 46,571.09 = 8,860.47 : x
  2. Step 2: Convert to fraction form
    31,047.11/46,571.09 = 8,860.47/x
  3. Step 3: Cross multiply
    31,047.11x = 46,571.09 × 8,860.47
  4. Step 4: Simplify right side
    31,047.11x = 412,641,745.81
  5. Step 5: Solve for x
    x = 412,641,745.81/31,047.11
  6. Step 6: Final answer
    x = 13,290.83

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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.