Home / 36,454.12-50,306.70-19,687.12

Finding the Fourth Proportional to 36,454.12, 50,306.70 and 19,687.12

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Solution

The fourth proportional to 36,454.12, 50,306.70 and 19,687.12 is: 27,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,454.12 : 50,306.70 = 19,687.12 : x
  2. Step 2: Convert to fraction form
    36,454.12/50,306.70 = 19,687.12/x
  3. Step 3: Cross multiply
    36,454.12x = 50,306.70 × 19,687.12
  4. Step 4: Simplify right side
    36,454.12x = 990,394,039.70
  5. Step 5: Solve for x
    x = 990,394,039.70/36,454.12
  6. Step 6: Final answer
    x = 27,168.23

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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.