Home / 21,046.14-31,569.44-5,463.77

Finding the Fourth Proportional to 21,046.14, 31,569.44 and 5,463.77

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Solution

The fourth proportional to 21,046.14, 31,569.44 and 5,463.77 is: 8,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.14 : 31,569.44 = 5,463.77 : x
  2. Step 2: Convert to fraction form
    21,046.14/31,569.44 = 5,463.77/x
  3. Step 3: Cross multiply
    21,046.14x = 31,569.44 × 5,463.77
  4. Step 4: Simplify right side
    21,046.14x = 172,487,974.02
  5. Step 5: Solve for x
    x = 172,487,974.02/21,046.14
  6. Step 6: Final answer
    x = 8,195.71

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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.