Home / 20,258.62-30,387.62-5,469.03

Finding the Fourth Proportional to 20,258.62, 30,387.62 and 5,469.03

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Solution

The fourth proportional to 20,258.62, 30,387.62 and 5,469.03 is: 8,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.62 : 30,387.62 = 5,469.03 : x
  2. Step 2: Convert to fraction form
    20,258.62/30,387.62 = 5,469.03/x
  3. Step 3: Cross multiply
    20,258.62x = 30,387.62 × 5,469.03
  4. Step 4: Simplify right side
    20,258.62x = 166,190,819.08
  5. Step 5: Solve for x
    x = 166,190,819.08/20,258.62
  6. Step 6: Final answer
    x = 8,203.46

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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.