Home / 32,286.78-48,442.68-15,645.60

Finding the Fourth Proportional to 32,286.78, 48,442.68 and 15,645.60

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Solution

The fourth proportional to 32,286.78, 48,442.68 and 15,645.60 is: 23,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,286.78 : 48,442.68 = 15,645.60 : x
  2. Step 2: Convert to fraction form
    32,286.78/48,442.68 = 15,645.60/x
  3. Step 3: Cross multiply
    32,286.78x = 48,442.68 × 15,645.60
  4. Step 4: Simplify right side
    32,286.78x = 757,914,794.21
  5. Step 5: Solve for x
    x = 757,914,794.21/32,286.78
  6. Step 6: Final answer
    x = 23,474.46

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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.