Home / 63,635.11-87,805.91-36,780.12

Finding the Fourth Proportional to 63,635.11, 87,805.91 and 36,780.12

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Solution

The fourth proportional to 63,635.11, 87,805.91 and 36,780.12 is: 50,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,635.11 : 87,805.91 = 36,780.12 : x
  2. Step 2: Convert to fraction form
    63,635.11/87,805.91 = 36,780.12/x
  3. Step 3: Cross multiply
    63,635.11x = 87,805.91 × 36,780.12
  4. Step 4: Simplify right side
    63,635.11x = 3,229,511,722.61
  5. Step 5: Solve for x
    x = 3,229,511,722.61/63,635.11
  6. Step 6: Final answer
    x = 50,750.47

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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.