Home / 45,827.75-68,742.03-18,125.75

Finding the Fourth Proportional to 45,827.75, 68,742.03 and 18,125.75

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Solution

The fourth proportional to 45,827.75, 68,742.03 and 18,125.75 is: 27,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,827.75 : 68,742.03 = 18,125.75 : x
  2. Step 2: Convert to fraction form
    45,827.75/68,742.03 = 18,125.75/x
  3. Step 3: Cross multiply
    45,827.75x = 68,742.03 × 18,125.75
  4. Step 4: Simplify right side
    45,827.75x = 1,246,000,850.27
  5. Step 5: Solve for x
    x = 1,246,000,850.27/45,827.75
  6. Step 6: Final answer
    x = 27,188.79

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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.