Home / 36,724.44-50,682.78-20,811.72

Finding the Fourth Proportional to 36,724.44, 50,682.78 and 20,811.72

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Solution

The fourth proportional to 36,724.44, 50,682.78 and 20,811.72 is: 28,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,724.44 : 50,682.78 = 20,811.72 : x
  2. Step 2: Convert to fraction form
    36,724.44/50,682.78 = 20,811.72/x
  3. Step 3: Cross multiply
    36,724.44x = 50,682.78 × 20,811.72
  4. Step 4: Simplify right side
    36,724.44x = 1,054,795,826.18
  5. Step 5: Solve for x
    x = 1,054,795,826.18/36,724.44
  6. Step 6: Final answer
    x = 28,721.90

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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.