Home / 40,304.58-55,619.62-22,399.12

Finding the Fourth Proportional to 40,304.58, 55,619.62 and 22,399.12

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Solution

The fourth proportional to 40,304.58, 55,619.62 and 22,399.12 is: 30,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,304.58 : 55,619.62 = 22,399.12 : x
  2. Step 2: Convert to fraction form
    40,304.58/55,619.62 = 22,399.12/x
  3. Step 3: Cross multiply
    40,304.58x = 55,619.62 × 22,399.12
  4. Step 4: Simplify right side
    40,304.58x = 1,245,830,542.73
  5. Step 5: Solve for x
    x = 1,245,830,542.73/40,304.58
  6. Step 6: Final answer
    x = 30,910.40

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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.