Home / 49,804.85-74,704.03-20,225.27

Finding the Fourth Proportional to 49,804.85, 74,704.03 and 20,225.27

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Solution

The fourth proportional to 49,804.85, 74,704.03 and 20,225.27 is: 30,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,804.85 : 74,704.03 = 20,225.27 : x
  2. Step 2: Convert to fraction form
    49,804.85/74,704.03 = 20,225.27/x
  3. Step 3: Cross multiply
    49,804.85x = 74,704.03 × 20,225.27
  4. Step 4: Simplify right side
    49,804.85x = 1,510,909,176.84
  5. Step 5: Solve for x
    x = 1,510,909,176.84/49,804.85
  6. Step 6: Final answer
    x = 30,336.59

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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.