Home / 21,293.48-31,940.34-5,497.43

Finding the Fourth Proportional to 21,293.48, 31,940.34 and 5,497.43

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Solution

The fourth proportional to 21,293.48, 31,940.34 and 5,497.43 is: 8,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.48 : 31,940.34 = 5,497.43 : x
  2. Step 2: Convert to fraction form
    21,293.48/31,940.34 = 5,497.43/x
  3. Step 3: Cross multiply
    21,293.48x = 31,940.34 × 5,497.43
  4. Step 4: Simplify right side
    21,293.48x = 175,589,736.53
  5. Step 5: Solve for x
    x = 175,589,736.53/21,293.48
  6. Step 6: Final answer
    x = 8,246.17

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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.