Home / 35,375.78-48,821.46-20,273.34

Finding the Fourth Proportional to 35,375.78, 48,821.46 and 20,273.34

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Solution

The fourth proportional to 35,375.78, 48,821.46 and 20,273.34 is: 27,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,375.78 : 48,821.46 = 20,273.34 : x
  2. Step 2: Convert to fraction form
    35,375.78/48,821.46 = 20,273.34/x
  3. Step 3: Cross multiply
    35,375.78x = 48,821.46 × 20,273.34
  4. Step 4: Simplify right side
    35,375.78x = 989,774,057.88
  5. Step 5: Solve for x
    x = 989,774,057.88/35,375.78
  6. Step 6: Final answer
    x = 27,978.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.