Home / 47,926.92-71,883.78-12,867

Finding the Fourth Proportional to 47,926.92, 71,883.78 and 12,867

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Solution

The fourth proportional to 47,926.92, 71,883.78 and 12,867 is: 19,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,926.92 : 71,883.78 = 12,867 : x
  2. Step 2: Convert to fraction form
    47,926.92/71,883.78 = 12,867/x
  3. Step 3: Cross multiply
    47,926.92x = 71,883.78 × 12,867
  4. Step 4: Simplify right side
    47,926.92x = 924,928,597.26
  5. Step 5: Solve for x
    x = 924,928,597.26/47,926.92
  6. Step 6: Final answer
    x = 19,298.73

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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.