Home / 31,911.22-47,866.84-14,360.56

Finding the Fourth Proportional to 31,911.22, 47,866.84 and 14,360.56

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Solution

The fourth proportional to 31,911.22, 47,866.84 and 14,360.56 is: 21,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.22 : 47,866.84 = 14,360.56 : x
  2. Step 2: Convert to fraction form
    31,911.22/47,866.84 = 14,360.56/x
  3. Step 3: Cross multiply
    31,911.22x = 47,866.84 × 14,360.56
  4. Step 4: Simplify right side
    31,911.22x = 687,394,627.83
  5. Step 5: Solve for x
    x = 687,394,627.83/31,911.22
  6. Step 6: Final answer
    x = 21,540.84

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1.5x scale

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.