Home / 47,481.17-71,188.94-20,814.35

Finding the Fourth Proportional to 47,481.17, 71,188.94 and 20,814.35

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Solution

The fourth proportional to 47,481.17, 71,188.94 and 20,814.35 is: 31,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,481.17 : 71,188.94 = 20,814.35 : x
  2. Step 2: Convert to fraction form
    47,481.17/71,188.94 = 20,814.35/x
  3. Step 3: Cross multiply
    47,481.17x = 71,188.94 × 20,814.35
  4. Step 4: Simplify right side
    47,481.17x = 1,481,751,209.38
  5. Step 5: Solve for x
    x = 1,481,751,209.38/47,481.17
  6. Step 6: Final answer
    x = 31,207.14

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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.