Home / 40,121.99-55,367.62-22,216.94

Finding the Fourth Proportional to 40,121.99, 55,367.62 and 22,216.94

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Solution

The fourth proportional to 40,121.99, 55,367.62 and 22,216.94 is: 30,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.99 : 55,367.62 = 22,216.94 : x
  2. Step 2: Convert to fraction form
    40,121.99/55,367.62 = 22,216.94/x
  3. Step 3: Cross multiply
    40,121.99x = 55,367.62 × 22,216.94
  4. Step 4: Simplify right side
    40,121.99x = 1,230,099,091.48
  5. Step 5: Solve for x
    x = 1,230,099,091.48/40,121.99
  6. Step 6: Final answer
    x = 30,658.98

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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.