Home / 31,772.23-43,845.27-17,236.20

Finding the Fourth Proportional to 31,772.23, 43,845.27 and 17,236.20

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Solution

The fourth proportional to 31,772.23, 43,845.27 and 17,236.20 is: 23,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772.23 : 43,845.27 = 17,236.20 : x
  2. Step 2: Convert to fraction form
    31,772.23/43,845.27 = 17,236.20/x
  3. Step 3: Cross multiply
    31,772.23x = 43,845.27 × 17,236.20
  4. Step 4: Simplify right side
    31,772.23x = 755,725,842.77
  5. Step 5: Solve for x
    x = 755,725,842.77/31,772.23
  6. Step 6: Final answer
    x = 23,785.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.