Home / 33,181.31-49,743.33-15,638.87

Finding the Fourth Proportional to 33,181.31, 49,743.33 and 15,638.87

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Solution

The fourth proportional to 33,181.31, 49,743.33 and 15,638.87 is: 23,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.31 : 49,743.33 = 15,638.87 : x
  2. Step 2: Convert to fraction form
    33,181.31/49,743.33 = 15,638.87/x
  3. Step 3: Cross multiply
    33,181.31x = 49,743.33 × 15,638.87
  4. Step 4: Simplify right side
    33,181.31x = 777,929,222.52
  5. Step 5: Solve for x
    x = 777,929,222.52/33,181.31
  6. Step 6: Final answer
    x = 23,444.80

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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.