Home / 31,902.44-47,863.26-12,181.48

Finding the Fourth Proportional to 31,902.44, 47,863.26 and 12,181.48

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Solution

The fourth proportional to 31,902.44, 47,863.26 and 12,181.48 is: 18,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.44 : 47,863.26 = 12,181.48 : x
  2. Step 2: Convert to fraction form
    31,902.44/47,863.26 = 12,181.48/x
  3. Step 3: Cross multiply
    31,902.44x = 47,863.26 × 12,181.48
  4. Step 4: Simplify right side
    31,902.44x = 583,045,344.42
  5. Step 5: Solve for x
    x = 583,045,344.42/31,902.44
  6. Step 6: Final answer
    x = 18,275.89

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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.