Home / 32,221.78-48,351.56-13,500.38

Finding the Fourth Proportional to 32,221.78, 48,351.56 and 13,500.38

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Solution

The fourth proportional to 32,221.78, 48,351.56 and 13,500.38 is: 20,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,221.78 : 48,351.56 = 13,500.38 : x
  2. Step 2: Convert to fraction form
    32,221.78/48,351.56 = 13,500.38/x
  3. Step 3: Cross multiply
    32,221.78x = 48,351.56 × 13,500.38
  4. Step 4: Simplify right side
    32,221.78x = 652,764,433.59
  5. Step 5: Solve for x
    x = 652,764,433.59/32,221.78
  6. Step 6: Final answer
    x = 20,258.48

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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.