Home / 36,278.46-50,065.56-21,180.78

Finding the Fourth Proportional to 36,278.46, 50,065.56 and 21,180.78

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Solution

The fourth proportional to 36,278.46, 50,065.56 and 21,180.78 is: 29,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.46 : 50,065.56 = 21,180.78 : x
  2. Step 2: Convert to fraction form
    36,278.46/50,065.56 = 21,180.78/x
  3. Step 3: Cross multiply
    36,278.46x = 50,065.56 × 21,180.78
  4. Step 4: Simplify right side
    36,278.46x = 1,060,427,611.94
  5. Step 5: Solve for x
    x = 1,060,427,611.94/36,278.46
  6. Step 6: Final answer
    x = 29,230.23

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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.