Home / 53,213.94-79,833.42-18,153.72

Finding the Fourth Proportional to 53,213.94, 79,833.42 and 18,153.72

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Solution

The fourth proportional to 53,213.94, 79,833.42 and 18,153.72 is: 27,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.94 : 79,833.42 = 18,153.72 : x
  2. Step 2: Convert to fraction form
    53,213.94/79,833.42 = 18,153.72/x
  3. Step 3: Cross multiply
    53,213.94x = 79,833.42 × 18,153.72
  4. Step 4: Simplify right side
    53,213.94x = 1,449,273,553.32
  5. Step 5: Solve for x
    x = 1,449,273,553.32/53,213.94
  6. Step 6: Final answer
    x = 27,234.85

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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.