Home / 40,418.28-55,775.65-22,512.82

Finding the Fourth Proportional to 40,418.28, 55,775.65 and 22,512.82

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Solution

The fourth proportional to 40,418.28, 55,775.65 and 22,512.82 is: 31,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.28 : 55,775.65 = 22,512.82 : x
  2. Step 2: Convert to fraction form
    40,418.28/55,775.65 = 22,512.82/x
  3. Step 3: Cross multiply
    40,418.28x = 55,775.65 × 22,512.82
  4. Step 4: Simplify right side
    40,418.28x = 1,255,667,168.83
  5. Step 5: Solve for x
    x = 1,255,667,168.83/40,418.28
  6. Step 6: Final answer
    x = 31,066.81

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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.