Home / 33,229.72-45,856.86-18,325.72

Finding the Fourth Proportional to 33,229.72, 45,856.86 and 18,325.72

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Solution

The fourth proportional to 33,229.72, 45,856.86 and 18,325.72 is: 25,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,229.72 : 45,856.86 = 18,325.72 : x
  2. Step 2: Convert to fraction form
    33,229.72/45,856.86 = 18,325.72/x
  3. Step 3: Cross multiply
    33,229.72x = 45,856.86 × 18,325.72
  4. Step 4: Simplify right side
    33,229.72x = 840,359,976.44
  5. Step 5: Solve for x
    x = 840,359,976.44/33,229.72
  6. Step 6: Final answer
    x = 25,289.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.