Home / 66,738.05-100,115.88-24,647.72

Finding the Fourth Proportional to 66,738.05, 100,115.88 and 24,647.72

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Solution

The fourth proportional to 66,738.05, 100,115.88 and 24,647.72 is: 36,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,738.05 : 100,115.88 = 24,647.72 : x
  2. Step 2: Convert to fraction form
    66,738.05/100,115.88 = 24,647.72/x
  3. Step 3: Cross multiply
    66,738.05x = 100,115.88 × 24,647.72
  4. Step 4: Simplify right side
    66,738.05x = 2,467,627,677.21
  5. Step 5: Solve for x
    x = 2,467,627,677.21/66,738.05
  6. Step 6: Final answer
    x = 36,974.83

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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.