Home / 40,033.15-55,247.90-22,129.82

Finding the Fourth Proportional to 40,033.15, 55,247.90 and 22,129.82

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Solution

The fourth proportional to 40,033.15, 55,247.90 and 22,129.82 is: 30,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,033.15 : 55,247.90 = 22,129.82 : x
  2. Step 2: Convert to fraction form
    40,033.15/55,247.90 = 22,129.82/x
  3. Step 3: Cross multiply
    40,033.15x = 55,247.90 × 22,129.82
  4. Step 4: Simplify right side
    40,033.15x = 1,222,625,695.49
  5. Step 5: Solve for x
    x = 1,222,625,695.49/40,033.15
  6. Step 6: Final answer
    x = 30,540.33

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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.