Home / 32,882.78-49,340.37-20,399.60

Finding the Fourth Proportional to 32,882.78, 49,340.37 and 20,399.60

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Solution

The fourth proportional to 32,882.78, 49,340.37 and 20,399.60 is: 30,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,882.78 : 49,340.37 = 20,399.60 : x
  2. Step 2: Convert to fraction form
    32,882.78/49,340.37 = 20,399.60/x
  3. Step 3: Cross multiply
    32,882.78x = 49,340.37 × 20,399.60
  4. Step 4: Simplify right side
    32,882.78x = 1,006,523,811.85
  5. Step 5: Solve for x
    x = 1,006,523,811.85/32,882.78
  6. Step 6: Final answer
    x = 30,609.45

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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.