Home / 49,851.62-74,791.55-20,290.67

Finding the Fourth Proportional to 49,851.62, 74,791.55 and 20,290.67

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Solution

The fourth proportional to 49,851.62, 74,791.55 and 20,290.67 is: 30,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,851.62 : 74,791.55 = 20,290.67 : x
  2. Step 2: Convert to fraction form
    49,851.62/74,791.55 = 20,290.67/x
  3. Step 3: Cross multiply
    49,851.62x = 74,791.55 × 20,290.67
  4. Step 4: Simplify right side
    49,851.62x = 1,517,570,558.39
  5. Step 5: Solve for x
    x = 1,517,570,558.39/49,851.62
  6. Step 6: Final answer
    x = 30,441.75

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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.