Home / 36,298.94-50,087.12-20,380.30

Finding the Fourth Proportional to 36,298.94, 50,087.12 and 20,380.30

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Solution

The fourth proportional to 36,298.94, 50,087.12 and 20,380.30 is: 28,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,298.94 : 50,087.12 = 20,380.30 : x
  2. Step 2: Convert to fraction form
    36,298.94/50,087.12 = 20,380.30/x
  3. Step 3: Cross multiply
    36,298.94x = 50,087.12 × 20,380.30
  4. Step 4: Simplify right side
    36,298.94x = 1,020,790,304.62
  5. Step 5: Solve for x
    x = 1,020,790,304.62/36,298.94
  6. Step 6: Final answer
    x = 28,121.77

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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.