Home / 47,676.62-71,520.60-12,616.58

Finding the Fourth Proportional to 47,676.62, 71,520.60 and 12,616.58

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Solution

The fourth proportional to 47,676.62, 71,520.60 and 12,616.58 is: 18,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.62 : 71,520.60 = 12,616.58 : x
  2. Step 2: Convert to fraction form
    47,676.62/71,520.60 = 12,616.58/x
  3. Step 3: Cross multiply
    47,676.62x = 71,520.60 × 12,616.58
  4. Step 4: Simplify right side
    47,676.62x = 902,345,371.55
  5. Step 5: Solve for x
    x = 902,345,371.55/47,676.62
  6. Step 6: Final answer
    x = 18,926.37

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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.