Home / 41,048.21-61,553.18-21,321.47

Finding the Fourth Proportional to 41,048.21, 61,553.18 and 21,321.47

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Solution

The fourth proportional to 41,048.21, 61,553.18 and 21,321.47 is: 31,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,048.21 : 61,553.18 = 21,321.47 : x
  2. Step 2: Convert to fraction form
    41,048.21/61,553.18 = 21,321.47/x
  3. Step 3: Cross multiply
    41,048.21x = 61,553.18 × 21,321.47
  4. Step 4: Simplify right side
    41,048.21x = 1,312,404,487.96
  5. Step 5: Solve for x
    x = 1,312,404,487.96/41,048.21
  6. Step 6: Final answer
    x = 31,972.27

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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.