Home / 54,635.56-75,404.58-30,771.88

Finding the Fourth Proportional to 54,635.56, 75,404.58 and 30,771.88

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Solution

The fourth proportional to 54,635.56, 75,404.58 and 30,771.88 is: 42,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.56 : 75,404.58 = 30,771.88 : x
  2. Step 2: Convert to fraction form
    54,635.56/75,404.58 = 30,771.88/x
  3. Step 3: Cross multiply
    54,635.56x = 75,404.58 × 30,771.88
  4. Step 4: Simplify right side
    54,635.56x = 2,320,340,687.21
  5. Step 5: Solve for x
    x = 2,320,340,687.21/54,635.56
  6. Step 6: Final answer
    x = 42,469.42

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1.5x scale

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.