Home / 36,891.46-50,905.07-20,974.15

Finding the Fourth Proportional to 36,891.46, 50,905.07 and 20,974.15

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Solution

The fourth proportional to 36,891.46, 50,905.07 and 20,974.15 is: 28,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.46 : 50,905.07 = 20,974.15 : x
  2. Step 2: Convert to fraction form
    36,891.46/50,905.07 = 20,974.15/x
  3. Step 3: Cross multiply
    36,891.46x = 50,905.07 × 20,974.15
  4. Step 4: Simplify right side
    36,891.46x = 1,067,690,319.42
  5. Step 5: Solve for x
    x = 1,067,690,319.42/36,891.46
  6. Step 6: Final answer
    x = 28,941.40

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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.