Home / 39,222.24-54,120.60-22,452

Finding the Fourth Proportional to 39,222.24, 54,120.60 and 22,452

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Solution

The fourth proportional to 39,222.24, 54,120.60 and 22,452 is: 30,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,222.24 : 54,120.60 = 22,452 : x
  2. Step 2: Convert to fraction form
    39,222.24/54,120.60 = 22,452/x
  3. Step 3: Cross multiply
    39,222.24x = 54,120.60 × 22,452
  4. Step 4: Simplify right side
    39,222.24x = 1,215,115,711.20
  5. Step 5: Solve for x
    x = 1,215,115,711.20/39,222.24
  6. Step 6: Final answer
    x = 30,980.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.