Home / 40,216.40-55,497.62-22,311.80

Finding the Fourth Proportional to 40,216.40, 55,497.62 and 22,311.80

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Solution

The fourth proportional to 40,216.40, 55,497.62 and 22,311.80 is: 30,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,216.40 : 55,497.62 = 22,311.80 : x
  2. Step 2: Convert to fraction form
    40,216.40/55,497.62 = 22,311.80/x
  3. Step 3: Cross multiply
    40,216.40x = 55,497.62 × 22,311.80
  4. Step 4: Simplify right side
    40,216.40x = 1,238,251,797.92
  5. Step 5: Solve for x
    x = 1,238,251,797.92/40,216.40
  6. Step 6: Final answer
    x = 30,789.72

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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.