Home / 50,919.57-76,361.13-17,630.70

Finding the Fourth Proportional to 50,919.57, 76,361.13 and 17,630.70

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Solution

The fourth proportional to 50,919.57, 76,361.13 and 17,630.70 is: 26,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,919.57 : 76,361.13 = 17,630.70 : x
  2. Step 2: Convert to fraction form
    50,919.57/76,361.13 = 17,630.70/x
  3. Step 3: Cross multiply
    50,919.57x = 76,361.13 × 17,630.70
  4. Step 4: Simplify right side
    50,919.57x = 1,346,300,174.69
  5. Step 5: Solve for x
    x = 1,346,300,174.69/50,919.57
  6. Step 6: Final answer
    x = 26,439.74

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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.