Home / 68,550.03-102,827.21-18,630

Finding the Fourth Proportional to 68,550.03, 102,827.21 and 18,630

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Solution

The fourth proportional to 68,550.03, 102,827.21 and 18,630 is: 27,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,550.03 : 102,827.21 = 18,630 : x
  2. Step 2: Convert to fraction form
    68,550.03/102,827.21 = 18,630/x
  3. Step 3: Cross multiply
    68,550.03x = 102,827.21 × 18,630
  4. Step 4: Simplify right side
    68,550.03x = 1,915,670,829.15
  5. Step 5: Solve for x
    x = 1,915,670,829.15/68,550.03
  6. Step 6: Final answer
    x = 27,945.59

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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.