Home / 50,717.24-76,084.05-21,138.05

Finding the Fourth Proportional to 50,717.24, 76,084.05 and 21,138.05

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Solution

The fourth proportional to 50,717.24, 76,084.05 and 21,138.05 is: 31,710.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,717.24 : 76,084.05 = 21,138.05 : x
  2. Step 2: Convert to fraction form
    50,717.24/76,084.05 = 21,138.05/x
  3. Step 3: Cross multiply
    50,717.24x = 76,084.05 × 21,138.05
  4. Step 4: Simplify right side
    50,717.24x = 1,608,268,453.10
  5. Step 5: Solve for x
    x = 1,608,268,453.10/50,717.24
  6. Step 6: Final answer
    x = 31,710.49

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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.