Home / 31,910.22-44,029.44-18,476.64

Finding the Fourth Proportional to 31,910.22, 44,029.44 and 18,476.64

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Solution

The fourth proportional to 31,910.22, 44,029.44 and 18,476.64 is: 25,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,910.22 : 44,029.44 = 18,476.64 : x
  2. Step 2: Convert to fraction form
    31,910.22/44,029.44 = 18,476.64/x
  3. Step 3: Cross multiply
    31,910.22x = 44,029.44 × 18,476.64
  4. Step 4: Simplify right side
    31,910.22x = 813,516,112.28
  5. Step 5: Solve for x
    x = 813,516,112.28/31,910.22
  6. Step 6: Final answer
    x = 25,493.90

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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.