Home / 30,968.93-46,450.23-8,481.61

Finding the Fourth Proportional to 30,968.93, 46,450.23 and 8,481.61

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Solution

The fourth proportional to 30,968.93, 46,450.23 and 8,481.61 is: 12,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968.93 : 46,450.23 = 8,481.61 : x
  2. Step 2: Convert to fraction form
    30,968.93/46,450.23 = 8,481.61/x
  3. Step 3: Cross multiply
    30,968.93x = 46,450.23 × 8,481.61
  4. Step 4: Simplify right side
    30,968.93x = 393,972,735.27
  5. Step 5: Solve for x
    x = 393,972,735.27/30,968.93
  6. Step 6: Final answer
    x = 12,721.55

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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.