Home / 31,912.83-47,876.15-9,725.62

Finding the Fourth Proportional to 31,912.83, 47,876.15 and 9,725.62

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Solution

The fourth proportional to 31,912.83, 47,876.15 and 9,725.62 is: 14,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912.83 : 47,876.15 = 9,725.62 : x
  2. Step 2: Convert to fraction form
    31,912.83/47,876.15 = 9,725.62/x
  3. Step 3: Cross multiply
    31,912.83x = 47,876.15 × 9,725.62
  4. Step 4: Simplify right side
    31,912.83x = 465,625,241.96
  5. Step 5: Solve for x
    x = 465,625,241.96/31,912.83
  6. Step 6: Final answer
    x = 14,590.53

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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.