Home / 40,304.88-55,618.92-22,399.80

Finding the Fourth Proportional to 40,304.88, 55,618.92 and 22,399.80

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Solution

The fourth proportional to 40,304.88, 55,618.92 and 22,399.80 is: 30,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,304.88 : 55,618.92 = 22,399.80 : x
  2. Step 2: Convert to fraction form
    40,304.88/55,618.92 = 22,399.80/x
  3. Step 3: Cross multiply
    40,304.88x = 55,618.92 × 22,399.80
  4. Step 4: Simplify right side
    40,304.88x = 1,245,852,684.22
  5. Step 5: Solve for x
    x = 1,245,852,684.22/40,304.88
  6. Step 6: Final answer
    x = 30,910.72

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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.