Home / 54,635.46-81,911.34-17,173.86

Finding the Fourth Proportional to 54,635.46, 81,911.34 and 17,173.86

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Solution

The fourth proportional to 54,635.46, 81,911.34 and 17,173.86 is: 25,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.46 : 81,911.34 = 17,173.86 : x
  2. Step 2: Convert to fraction form
    54,635.46/81,911.34 = 17,173.86/x
  3. Step 3: Cross multiply
    54,635.46x = 81,911.34 × 17,173.86
  4. Step 4: Simplify right side
    54,635.46x = 1,406,733,885.57
  5. Step 5: Solve for x
    x = 1,406,733,885.57/54,635.46
  6. Step 6: Final answer
    x = 25,747.64

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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.