Home / 49,794.48-74,690.22-20,211.60

Finding the Fourth Proportional to 49,794.48, 74,690.22 and 20,211.60

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Solution

The fourth proportional to 49,794.48, 74,690.22 and 20,211.60 is: 30,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,794.48 : 74,690.22 = 20,211.60 : x
  2. Step 2: Convert to fraction form
    49,794.48/74,690.22 = 20,211.60/x
  3. Step 3: Cross multiply
    49,794.48x = 74,690.22 × 20,211.60
  4. Step 4: Simplify right side
    49,794.48x = 1,509,608,850.55
  5. Step 5: Solve for x
    x = 1,509,608,850.55/49,794.48
  6. Step 6: Final answer
    x = 30,316.79

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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.