Home / 40,665.96-60,999-11,083.80

Finding the Fourth Proportional to 40,665.96, 60,999 and 11,083.80

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Solution

The fourth proportional to 40,665.96, 60,999 and 11,083.80 is: 16,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,665.96 : 60,999 = 11,083.80 : x
  2. Step 2: Convert to fraction form
    40,665.96/60,999 = 11,083.80/x
  3. Step 3: Cross multiply
    40,665.96x = 60,999 × 11,083.80
  4. Step 4: Simplify right side
    40,665.96x = 676,100,716.20
  5. Step 5: Solve for x
    x = 676,100,716.20/40,665.96
  6. Step 6: Final answer
    x = 16,625.72

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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.