Home / 50,583.31-75,908.82-21,001.15

Finding the Fourth Proportional to 50,583.31, 75,908.82 and 21,001.15

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Solution

The fourth proportional to 50,583.31, 75,908.82 and 21,001.15 is: 31,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,583.31 : 75,908.82 = 21,001.15 : x
  2. Step 2: Convert to fraction form
    50,583.31/75,908.82 = 21,001.15/x
  3. Step 3: Cross multiply
    50,583.31x = 75,908.82 × 21,001.15
  4. Step 4: Simplify right side
    50,583.31x = 1,594,172,515.14
  5. Step 5: Solve for x
    x = 1,594,172,515.14/50,583.31
  6. Step 6: Final answer
    x = 31,515.78

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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.