Home / 40,193.87-55,468.83-22,290.54

Finding the Fourth Proportional to 40,193.87, 55,468.83 and 22,290.54

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Solution

The fourth proportional to 40,193.87, 55,468.83 and 22,290.54 is: 30,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,193.87 : 55,468.83 = 22,290.54 : x
  2. Step 2: Convert to fraction form
    40,193.87/55,468.83 = 22,290.54/x
  3. Step 3: Cross multiply
    40,193.87x = 55,468.83 × 22,290.54
  4. Step 4: Simplify right side
    40,193.87x = 1,236,430,173.87
  5. Step 5: Solve for x
    x = 1,236,430,173.87/40,193.87
  6. Step 6: Final answer
    x = 30,761.66

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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.