Home / 31,845.06-47,694.74-15,216.78

Finding the Fourth Proportional to 31,845.06, 47,694.74 and 15,216.78

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Solution

The fourth proportional to 31,845.06, 47,694.74 and 15,216.78 is: 22,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.06 : 47,694.74 = 15,216.78 : x
  2. Step 2: Convert to fraction form
    31,845.06/47,694.74 = 15,216.78/x
  3. Step 3: Cross multiply
    31,845.06x = 47,694.74 × 15,216.78
  4. Step 4: Simplify right side
    31,845.06x = 725,760,365.74
  5. Step 5: Solve for x
    x = 725,760,365.74/31,845.06
  6. Step 6: Final answer
    x = 22,790.36

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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.