Home / 21,224.97-31,837.46-5,644.17

Finding the Fourth Proportional to 21,224.97, 31,837.46 and 5,644.17

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Solution

The fourth proportional to 21,224.97, 31,837.46 and 5,644.17 is: 8,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.97 : 31,837.46 = 5,644.17 : x
  2. Step 2: Convert to fraction form
    21,224.97/31,837.46 = 5,644.17/x
  3. Step 3: Cross multiply
    21,224.97x = 31,837.46 × 5,644.17
  4. Step 4: Simplify right side
    21,224.97x = 179,696,008.39
  5. Step 5: Solve for x
    x = 179,696,008.39/21,224.97
  6. Step 6: Final answer
    x = 8,466.26

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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.