Home / 31,480.68-47,286.60-26,559.96

Finding the Fourth Proportional to 31,480.68, 47,286.60 and 26,559.96

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Solution

The fourth proportional to 31,480.68, 47,286.60 and 26,559.96 is: 39,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.68 : 47,286.60 = 26,559.96 : x
  2. Step 2: Convert to fraction form
    31,480.68/47,286.60 = 26,559.96/x
  3. Step 3: Cross multiply
    31,480.68x = 47,286.60 × 26,559.96
  4. Step 4: Simplify right side
    31,480.68x = 1,255,930,204.54
  5. Step 5: Solve for x
    x = 1,255,930,204.54/31,480.68
  6. Step 6: Final answer
    x = 39,895.27

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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.