Home / 33,181.68-49,743.90-15,639.24

Finding the Fourth Proportional to 33,181.68, 49,743.90 and 15,639.24

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Solution

The fourth proportional to 33,181.68, 49,743.90 and 15,639.24 is: 23,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.68 : 49,743.90 = 15,639.24 : x
  2. Step 2: Convert to fraction form
    33,181.68/49,743.90 = 15,639.24/x
  3. Step 3: Cross multiply
    33,181.68x = 49,743.90 × 15,639.24
  4. Step 4: Simplify right side
    33,181.68x = 777,956,790.64
  5. Step 5: Solve for x
    x = 777,956,790.64/33,181.68
  6. Step 6: Final answer
    x = 23,445.37

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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.