Home / 33,297.30-49,940.19-12,520.98

Finding the Fourth Proportional to 33,297.30, 49,940.19 and 12,520.98

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Solution

The fourth proportional to 33,297.30, 49,940.19 and 12,520.98 is: 18,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.30 : 49,940.19 = 12,520.98 : x
  2. Step 2: Convert to fraction form
    33,297.30/49,940.19 = 12,520.98/x
  3. Step 3: Cross multiply
    33,297.30x = 49,940.19 × 12,520.98
  4. Step 4: Simplify right side
    33,297.30x = 625,300,120.19
  5. Step 5: Solve for x
    x = 625,300,120.19/33,297.30
  6. Step 6: Final answer
    x = 18,779.30

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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.