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Finding the Fourth Proportional to 50,221.71, 75,361.77 and 22,519.71

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Solution

The fourth proportional to 50,221.71, 75,361.77 and 22,519.71 is: 33,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,221.71 : 75,361.77 = 22,519.71 : x
  2. Step 2: Convert to fraction form
    50,221.71/75,361.77 = 22,519.71/x
  3. Step 3: Cross multiply
    50,221.71x = 75,361.77 × 22,519.71
  4. Step 4: Simplify right side
    50,221.71x = 1,697,125,205.49
  5. Step 5: Solve for x
    x = 1,697,125,205.49/50,221.71
  6. Step 6: Final answer
    x = 33,792.66

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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.