Home / 47,658.56-65,771.92-27,519.20

Finding the Fourth Proportional to 47,658.56, 65,771.92 and 27,519.20

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Solution

The fourth proportional to 47,658.56, 65,771.92 and 27,519.20 is: 37,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,658.56 : 65,771.92 = 27,519.20 : x
  2. Step 2: Convert to fraction form
    47,658.56/65,771.92 = 27,519.20/x
  3. Step 3: Cross multiply
    47,658.56x = 65,771.92 × 27,519.20
  4. Step 4: Simplify right side
    47,658.56x = 1,809,990,620.86
  5. Step 5: Solve for x
    x = 1,809,990,620.86/47,658.56
  6. Step 6: Final answer
    x = 37,978.29

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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.