Home / 47,665.50-71,488.05-18,072.96

Finding the Fourth Proportional to 47,665.50, 71,488.05 and 18,072.96

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Solution

The fourth proportional to 47,665.50, 71,488.05 and 18,072.96 is: 27,105.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,665.50 : 71,488.05 = 18,072.96 : x
  2. Step 2: Convert to fraction form
    47,665.50/71,488.05 = 18,072.96/x
  3. Step 3: Cross multiply
    47,665.50x = 71,488.05 × 18,072.96
  4. Step 4: Simplify right side
    47,665.50x = 1,292,000,668.13
  5. Step 5: Solve for x
    x = 1,292,000,668.13/47,665.50
  6. Step 6: Final answer
    x = 27,105.57

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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.