Home / 33,654-46,440.28-20,217.30

Finding the Fourth Proportional to 33,654, 46,440.28 and 20,217.30

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Solution

The fourth proportional to 33,654, 46,440.28 and 20,217.30 is: 27,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,654 : 46,440.28 = 20,217.30 : x
  2. Step 2: Convert to fraction form
    33,654/46,440.28 = 20,217.30/x
  3. Step 3: Cross multiply
    33,654x = 46,440.28 × 20,217.30
  4. Step 4: Simplify right side
    33,654x = 938,897,072.84
  5. Step 5: Solve for x
    x = 938,897,072.84/33,654
  6. Step 6: Final answer
    x = 27,898.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.