Home / 30,936.20-46,399.14-8,744.52

Finding the Fourth Proportional to 30,936.20, 46,399.14 and 8,744.52

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Solution

The fourth proportional to 30,936.20, 46,399.14 and 8,744.52 is: 13,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,936.20 : 46,399.14 = 8,744.52 : x
  2. Step 2: Convert to fraction form
    30,936.20/46,399.14 = 8,744.52/x
  3. Step 3: Cross multiply
    30,936.20x = 46,399.14 × 8,744.52
  4. Step 4: Simplify right side
    30,936.20x = 405,738,207.71
  5. Step 5: Solve for x
    x = 405,738,207.71/30,936.20
  6. Step 6: Final answer
    x = 13,115.32

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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.