Home / 40,324.32-55,634.52-22,415.88

Finding the Fourth Proportional to 40,324.32, 55,634.52 and 22,415.88

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Solution

The fourth proportional to 40,324.32, 55,634.52 and 22,415.88 is: 30,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,324.32 : 55,634.52 = 22,415.88 : x
  2. Step 2: Convert to fraction form
    40,324.32/55,634.52 = 22,415.88/x
  3. Step 3: Cross multiply
    40,324.32x = 55,634.52 × 22,415.88
  4. Step 4: Simplify right side
    40,324.32x = 1,247,096,724.18
  5. Step 5: Solve for x
    x = 1,247,096,724.18/40,324.32
  6. Step 6: Final answer
    x = 30,926.66

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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.