Home / 50,635.72-75,930.49-21,035.89

Finding the Fourth Proportional to 50,635.72, 75,930.49 and 21,035.89

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Solution

The fourth proportional to 50,635.72, 75,930.49 and 21,035.89 is: 31,544.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,635.72 : 75,930.49 = 21,035.89 : x
  2. Step 2: Convert to fraction form
    50,635.72/75,930.49 = 21,035.89/x
  3. Step 3: Cross multiply
    50,635.72x = 75,930.49 × 21,035.89
  4. Step 4: Simplify right side
    50,635.72x = 1,597,265,435.29
  5. Step 5: Solve for x
    x = 1,597,265,435.29/50,635.72
  6. Step 6: Final answer
    x = 31,544.24

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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.