Home / 31,163.71-46,745.73-8,977.61

Finding the Fourth Proportional to 31,163.71, 46,745.73 and 8,977.61

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Solution

The fourth proportional to 31,163.71, 46,745.73 and 8,977.61 is: 13,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163.71 : 46,745.73 = 8,977.61 : x
  2. Step 2: Convert to fraction form
    31,163.71/46,745.73 = 8,977.61/x
  3. Step 3: Cross multiply
    31,163.71x = 46,745.73 × 8,977.61
  4. Step 4: Simplify right side
    31,163.71x = 419,664,888.22
  5. Step 5: Solve for x
    x = 419,664,888.22/31,163.71
  6. Step 6: Final answer
    x = 13,466.46

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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.