Home / 40,161.92-55,423.41-22,258.04

Finding the Fourth Proportional to 40,161.92, 55,423.41 and 22,258.04

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Solution

The fourth proportional to 40,161.92, 55,423.41 and 22,258.04 is: 30,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.92 : 55,423.41 = 22,258.04 : x
  2. Step 2: Convert to fraction form
    40,161.92/55,423.41 = 22,258.04/x
  3. Step 3: Cross multiply
    40,161.92x = 55,423.41 × 22,258.04
  4. Step 4: Simplify right side
    40,161.92x = 1,233,616,476.72
  5. Step 5: Solve for x
    x = 1,233,616,476.72/40,161.92
  6. Step 6: Final answer
    x = 30,716.07

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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.