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Finding the Fourth Proportional to 34,249.60, 51,297.60 and 20,425.60

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Solution

The fourth proportional to 34,249.60, 51,297.60 and 20,425.60 is: 30,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,249.60 : 51,297.60 = 20,425.60 : x
  2. Step 2: Convert to fraction form
    34,249.60/51,297.60 = 20,425.60/x
  3. Step 3: Cross multiply
    34,249.60x = 51,297.60 × 20,425.60
  4. Step 4: Simplify right side
    34,249.60x = 1,047,784,258.56
  5. Step 5: Solve for x
    x = 1,047,784,258.56/34,249.60
  6. Step 6: Final answer
    x = 30,592.60

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1.5x scale

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.