Home / 23,385.87-35,016.49-20,396.52

Finding the Fourth Proportional to 23,385.87, 35,016.49 and 20,396.52

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Solution

The fourth proportional to 23,385.87, 35,016.49 and 20,396.52 is: 30,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,385.87 : 35,016.49 = 20,396.52 : x
  2. Step 2: Convert to fraction form
    23,385.87/35,016.49 = 20,396.52/x
  3. Step 3: Cross multiply
    23,385.87x = 35,016.49 × 20,396.52
  4. Step 4: Simplify right side
    23,385.87x = 714,214,538.61
  5. Step 5: Solve for x
    x = 714,214,538.61/23,385.87
  6. Step 6: Final answer
    x = 30,540.43

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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.