Home / 47,231.78-65,161.33-27,077.90

Finding the Fourth Proportional to 47,231.78, 65,161.33 and 27,077.90

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Solution

The fourth proportional to 47,231.78, 65,161.33 and 27,077.90 is: 37,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,231.78 : 65,161.33 = 27,077.90 : x
  2. Step 2: Convert to fraction form
    47,231.78/65,161.33 = 27,077.90/x
  3. Step 3: Cross multiply
    47,231.78x = 65,161.33 × 27,077.90
  4. Step 4: Simplify right side
    47,231.78x = 1,764,431,584.11
  5. Step 5: Solve for x
    x = 1,764,431,584.11/47,231.78
  6. Step 6: Final answer
    x = 37,356.88

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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.