Home / 68,331.39-94,299.66-39,648.89

Finding the Fourth Proportional to 68,331.39, 94,299.66 and 39,648.89

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Solution

The fourth proportional to 68,331.39, 94,299.66 and 39,648.89 is: 54,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,331.39 : 94,299.66 = 39,648.89 : x
  2. Step 2: Convert to fraction form
    68,331.39/94,299.66 = 39,648.89/x
  3. Step 3: Cross multiply
    68,331.39x = 94,299.66 × 39,648.89
  4. Step 4: Simplify right side
    68,331.39x = 3,738,876,374.88
  5. Step 5: Solve for x
    x = 3,738,876,374.88/68,331.39
  6. Step 6: Final answer
    x = 54,716.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.