Home / 50,086.91-75,135.40-18,505.26

Finding the Fourth Proportional to 50,086.91, 75,135.40 and 18,505.26

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Solution

The fourth proportional to 50,086.91, 75,135.40 and 18,505.26 is: 27,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,086.91 : 75,135.40 = 18,505.26 : x
  2. Step 2: Convert to fraction form
    50,086.91/75,135.40 = 18,505.26/x
  3. Step 3: Cross multiply
    50,086.91x = 75,135.40 × 18,505.26
  4. Step 4: Simplify right side
    50,086.91x = 1,390,400,065.94
  5. Step 5: Solve for x
    x = 1,390,400,065.94/50,086.91
  6. Step 6: Final answer
    x = 27,759.75

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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.