Home / 54,403.27-81,555.64-19,334.73

Finding the Fourth Proportional to 54,403.27, 81,555.64 and 19,334.73

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Solution

The fourth proportional to 54,403.27, 81,555.64 and 19,334.73 is: 28,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.27 : 81,555.64 = 19,334.73 : x
  2. Step 2: Convert to fraction form
    54,403.27/81,555.64 = 19,334.73/x
  3. Step 3: Cross multiply
    54,403.27x = 81,555.64 × 19,334.73
  4. Step 4: Simplify right side
    54,403.27x = 1,576,856,279.38
  5. Step 5: Solve for x
    x = 1,576,856,279.38/54,403.27
  6. Step 6: Final answer
    x = 28,984.59

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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.