Home / 34,067.20-51,003.60-20,945.20

Finding the Fourth Proportional to 34,067.20, 51,003.60 and 20,945.20

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Solution

The fourth proportional to 34,067.20, 51,003.60 and 20,945.20 is: 31,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,067.20 : 51,003.60 = 20,945.20 : x
  2. Step 2: Convert to fraction form
    34,067.20/51,003.60 = 20,945.20/x
  3. Step 3: Cross multiply
    34,067.20x = 51,003.60 × 20,945.20
  4. Step 4: Simplify right side
    34,067.20x = 1,068,280,602.72
  5. Step 5: Solve for x
    x = 1,068,280,602.72/34,067.20
  6. Step 6: Final answer
    x = 31,358.04

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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.