Home / 40,067.12-55,291.44-22,162.88

Finding the Fourth Proportional to 40,067.12, 55,291.44 and 22,162.88

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Solution

The fourth proportional to 40,067.12, 55,291.44 and 22,162.88 is: 30,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,067.12 : 55,291.44 = 22,162.88 : x
  2. Step 2: Convert to fraction form
    40,067.12/55,291.44 = 22,162.88/x
  3. Step 3: Cross multiply
    40,067.12x = 55,291.44 × 22,162.88
  4. Step 4: Simplify right side
    40,067.12x = 1,225,417,549.75
  5. Step 5: Solve for x
    x = 1,225,417,549.75/40,067.12
  6. Step 6: Final answer
    x = 30,584.12

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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.