Home / 40,121.48-55,367.63-22,216.47

Finding the Fourth Proportional to 40,121.48, 55,367.63 and 22,216.47

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Solution

The fourth proportional to 40,121.48, 55,367.63 and 22,216.47 is: 30,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.48 : 55,367.63 = 22,216.47 : x
  2. Step 2: Convert to fraction form
    40,121.48/55,367.63 = 22,216.47/x
  3. Step 3: Cross multiply
    40,121.48x = 55,367.63 × 22,216.47
  4. Step 4: Simplify right side
    40,121.48x = 1,230,073,179.78
  5. Step 5: Solve for x
    x = 1,230,073,179.78/40,121.48
  6. Step 6: Final answer
    x = 30,658.72

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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.