Home / 76,819.53-115,214.70-24,214.89

Finding the Fourth Proportional to 76,819.53, 115,214.70 and 24,214.89

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Solution

The fourth proportional to 76,819.53, 115,214.70 and 24,214.89 is: 36,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,819.53 : 115,214.70 = 24,214.89 : x
  2. Step 2: Convert to fraction form
    76,819.53/115,214.70 = 24,214.89/x
  3. Step 3: Cross multiply
    76,819.53x = 115,214.70 × 24,214.89
  4. Step 4: Simplify right side
    76,819.53x = 2,789,911,286.88
  5. Step 5: Solve for x
    x = 2,789,911,286.88/76,819.53
  6. Step 6: Final answer
    x = 36,317.73

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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.