Home / 54,177.30-81,245.75-18,628.56

Finding the Fourth Proportional to 54,177.30, 81,245.75 and 18,628.56

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Solution

The fourth proportional to 54,177.30, 81,245.75 and 18,628.56 is: 27,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.30 : 81,245.75 = 18,628.56 : x
  2. Step 2: Convert to fraction form
    54,177.30/81,245.75 = 18,628.56/x
  3. Step 3: Cross multiply
    54,177.30x = 81,245.75 × 18,628.56
  4. Step 4: Simplify right side
    54,177.30x = 1,513,491,235.48
  5. Step 5: Solve for x
    x = 1,513,491,235.48/54,177.30
  6. Step 6: Final answer
    x = 27,935.89

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1.5x scale

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.