Home / 56,354.89-84,537.97-20,825.54

Finding the Fourth Proportional to 56,354.89, 84,537.97 and 20,825.54

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Solution

The fourth proportional to 56,354.89, 84,537.97 and 20,825.54 is: 31,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,354.89 : 84,537.97 = 20,825.54 : x
  2. Step 2: Convert to fraction form
    56,354.89/84,537.97 = 20,825.54/x
  3. Step 3: Cross multiply
    56,354.89x = 84,537.97 × 20,825.54
  4. Step 4: Simplify right side
    56,354.89x = 1,760,548,642.20
  5. Step 5: Solve for x
    x = 1,760,548,642.20/56,354.89
  6. Step 6: Final answer
    x = 31,240.39

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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.