Home / 47,676.23-71,517.76-12,615.47

Finding the Fourth Proportional to 47,676.23, 71,517.76 and 12,615.47

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Solution

The fourth proportional to 47,676.23, 71,517.76 and 12,615.47 is: 18,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.23 : 71,517.76 = 12,615.47 : x
  2. Step 2: Convert to fraction form
    47,676.23/71,517.76 = 12,615.47/x
  3. Step 3: Cross multiply
    47,676.23x = 71,517.76 × 12,615.47
  4. Step 4: Simplify right side
    47,676.23x = 902,230,105.77
  5. Step 5: Solve for x
    x = 902,230,105.77/47,676.23
  6. Step 6: Final answer
    x = 18,924.11

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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.