Home / 50,297.46-75,446.16-12,857.60

Finding the Fourth Proportional to 50,297.46, 75,446.16 and 12,857.60

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Solution

The fourth proportional to 50,297.46, 75,446.16 and 12,857.60 is: 19,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,297.46 : 75,446.16 = 12,857.60 : x
  2. Step 2: Convert to fraction form
    50,297.46/75,446.16 = 12,857.60/x
  3. Step 3: Cross multiply
    50,297.46x = 75,446.16 × 12,857.60
  4. Step 4: Simplify right side
    50,297.46x = 970,056,546.82
  5. Step 5: Solve for x
    x = 970,056,546.82/50,297.46
  6. Step 6: Final answer
    x = 19,286.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.