Home / 53,964.78-80,892.45-20,676.30

Finding the Fourth Proportional to 53,964.78, 80,892.45 and 20,676.30

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Solution

The fourth proportional to 53,964.78, 80,892.45 and 20,676.30 is: 30,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.78 : 80,892.45 = 20,676.30 : x
  2. Step 2: Convert to fraction form
    53,964.78/80,892.45 = 20,676.30/x
  3. Step 3: Cross multiply
    53,964.78x = 80,892.45 × 20,676.30
  4. Step 4: Simplify right side
    53,964.78x = 1,672,556,563.94
  5. Step 5: Solve for x
    x = 1,672,556,563.94/53,964.78
  6. Step 6: Final answer
    x = 30,993.48

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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.