Home / 40,121.27-55,366.97-23,119.27

Finding the Fourth Proportional to 40,121.27, 55,366.97 and 23,119.27

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Solution

The fourth proportional to 40,121.27, 55,366.97 and 23,119.27 is: 31,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.27 : 55,366.97 = 23,119.27 : x
  2. Step 2: Convert to fraction form
    40,121.27/55,366.97 = 23,119.27/x
  3. Step 3: Cross multiply
    40,121.27x = 55,366.97 × 23,119.27
  4. Step 4: Simplify right side
    40,121.27x = 1,280,043,536.08
  5. Step 5: Solve for x
    x = 1,280,043,536.08/40,121.27
  6. Step 6: Final answer
    x = 31,904.36

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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.