Home / 40,022.64-55,230.88-22,117.49

Finding the Fourth Proportional to 40,022.64, 55,230.88 and 22,117.49

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Solution

The fourth proportional to 40,022.64, 55,230.88 and 22,117.49 is: 30,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.64 : 55,230.88 = 22,117.49 : x
  2. Step 2: Convert to fraction form
    40,022.64/55,230.88 = 22,117.49/x
  3. Step 3: Cross multiply
    40,022.64x = 55,230.88 × 22,117.49
  4. Step 4: Simplify right side
    40,022.64x = 1,221,568,436.09
  5. Step 5: Solve for x
    x = 1,221,568,436.09/40,022.64
  6. Step 6: Final answer
    x = 30,521.94

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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.