Home / 49,632.20-74,448.30-20,034.80

Finding the Fourth Proportional to 49,632.20, 74,448.30 and 20,034.80

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Solution

The fourth proportional to 49,632.20, 74,448.30 and 20,034.80 is: 30,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,632.20 : 74,448.30 = 20,034.80 : x
  2. Step 2: Convert to fraction form
    49,632.20/74,448.30 = 20,034.80/x
  3. Step 3: Cross multiply
    49,632.20x = 74,448.30 × 20,034.80
  4. Step 4: Simplify right side
    49,632.20x = 1,491,556,800.84
  5. Step 5: Solve for x
    x = 1,491,556,800.84/49,632.20
  6. Step 6: Final answer
    x = 30,052.20

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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.