Home / 30,942.24-46,418.48-10,161.12

Finding the Fourth Proportional to 30,942.24, 46,418.48 and 10,161.12

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Solution

The fourth proportional to 30,942.24, 46,418.48 and 10,161.12 is: 15,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.24 : 46,418.48 = 10,161.12 : x
  2. Step 2: Convert to fraction form
    30,942.24/46,418.48 = 10,161.12/x
  3. Step 3: Cross multiply
    30,942.24x = 46,418.48 × 10,161.12
  4. Step 4: Simplify right side
    30,942.24x = 471,663,745.50
  5. Step 5: Solve for x
    x = 471,663,745.50/30,942.24
  6. Step 6: Final answer
    x = 15,243.36

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1.5x scale

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.