Home / 54,540.16-81,811.26-17,099.40

Finding the Fourth Proportional to 54,540.16, 81,811.26 and 17,099.40

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Solution

The fourth proportional to 54,540.16, 81,811.26 and 17,099.40 is: 25,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.16 : 81,811.26 = 17,099.40 : x
  2. Step 2: Convert to fraction form
    54,540.16/81,811.26 = 17,099.40/x
  3. Step 3: Cross multiply
    54,540.16x = 81,811.26 × 17,099.40
  4. Step 4: Simplify right side
    54,540.16x = 1,398,923,459.24
  5. Step 5: Solve for x
    x = 1,398,923,459.24/54,540.16
  6. Step 6: Final answer
    x = 25,649.42

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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.