Home / 31,674.15-47,511.20-25,743.87

Finding the Fourth Proportional to 31,674.15, 47,511.20 and 25,743.87

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Solution

The fourth proportional to 31,674.15, 47,511.20 and 25,743.87 is: 38,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,674.15 : 47,511.20 = 25,743.87 : x
  2. Step 2: Convert to fraction form
    31,674.15/47,511.20 = 25,743.87/x
  3. Step 3: Cross multiply
    31,674.15x = 47,511.20 × 25,743.87
  4. Step 4: Simplify right side
    31,674.15x = 1,223,122,220.70
  5. Step 5: Solve for x
    x = 1,223,122,220.70/31,674.15
  6. Step 6: Final answer
    x = 38,615.79

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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.