Home / 31,163.82-46,745.28-14,514.54

Finding the Fourth Proportional to 31,163.82, 46,745.28 and 14,514.54

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Solution

The fourth proportional to 31,163.82, 46,745.28 and 14,514.54 is: 21,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163.82 : 46,745.28 = 14,514.54 : x
  2. Step 2: Convert to fraction form
    31,163.82/46,745.28 = 14,514.54/x
  3. Step 3: Cross multiply
    31,163.82x = 46,745.28 × 14,514.54
  4. Step 4: Simplify right side
    31,163.82x = 678,486,236.37
  5. Step 5: Solve for x
    x = 678,486,236.37/31,163.82
  6. Step 6: Final answer
    x = 21,771.60

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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.