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Finding the Fourth Proportional to 50,862, 70,190.41 and 28,201.94

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Solution

The fourth proportional to 50,862, 70,190.41 and 28,201.94 is: 38,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,862 : 70,190.41 = 28,201.94 : x
  2. Step 2: Convert to fraction form
    50,862/70,190.41 = 28,201.94/x
  3. Step 3: Cross multiply
    50,862x = 70,190.41 × 28,201.94
  4. Step 4: Simplify right side
    50,862x = 1,979,505,836.37
  5. Step 5: Solve for x
    x = 1,979,505,836.37/50,862
  6. Step 6: Final answer
    x = 38,919.15

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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.