Home / 47,321.42-71,002.96-22,379.36

Finding the Fourth Proportional to 47,321.42, 71,002.96 and 22,379.36

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Solution

The fourth proportional to 47,321.42, 71,002.96 and 22,379.36 is: 33,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321.42 : 71,002.96 = 22,379.36 : x
  2. Step 2: Convert to fraction form
    47,321.42/71,002.96 = 22,379.36/x
  3. Step 3: Cross multiply
    47,321.42x = 71,002.96 × 22,379.36
  4. Step 4: Simplify right side
    47,321.42x = 1,589,000,391.94
  5. Step 5: Solve for x
    x = 1,589,000,391.94/47,321.42
  6. Step 6: Final answer
    x = 33,578.89

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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.