Home / 33,115.32-49,672.26-15,575.40

Finding the Fourth Proportional to 33,115.32, 49,672.26 and 15,575.40

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Solution

The fourth proportional to 33,115.32, 49,672.26 and 15,575.40 is: 23,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.32 : 49,672.26 = 15,575.40 : x
  2. Step 2: Convert to fraction form
    33,115.32/49,672.26 = 15,575.40/x
  3. Step 3: Cross multiply
    33,115.32x = 49,672.26 × 15,575.40
  4. Step 4: Simplify right side
    33,115.32x = 773,665,318.40
  5. Step 5: Solve for x
    x = 773,665,318.40/33,115.32
  6. Step 6: Final answer
    x = 23,362.76

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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.