Home / 53,832.46-80,747.97-18,772

Finding the Fourth Proportional to 53,832.46, 80,747.97 and 18,772

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Solution

The fourth proportional to 53,832.46, 80,747.97 and 18,772 is: 28,157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,832.46 : 80,747.97 = 18,772 : x
  2. Step 2: Convert to fraction form
    53,832.46/80,747.97 = 18,772/x
  3. Step 3: Cross multiply
    53,832.46x = 80,747.97 × 18,772
  4. Step 4: Simplify right side
    53,832.46x = 1,515,800,892.84
  5. Step 5: Solve for x
    x = 1,515,800,892.84/53,832.46
  6. Step 6: Final answer
    x = 28,157.75

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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.