Home / 33,087.08-49,690.46-20,631.31

Finding the Fourth Proportional to 33,087.08, 49,690.46 and 20,631.31

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Solution

The fourth proportional to 33,087.08, 49,690.46 and 20,631.31 is: 30,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.08 : 49,690.46 = 20,631.31 : x
  2. Step 2: Convert to fraction form
    33,087.08/49,690.46 = 20,631.31/x
  3. Step 3: Cross multiply
    33,087.08x = 49,690.46 × 20,631.31
  4. Step 4: Simplify right side
    33,087.08x = 1,025,179,211.65
  5. Step 5: Solve for x
    x = 1,025,179,211.65/33,087.08
  6. Step 6: Final answer
    x = 30,984.27

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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.