Home / 31,676.88-43,713.60-17,336.32

Finding the Fourth Proportional to 31,676.88, 43,713.60 and 17,336.32

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Solution

The fourth proportional to 31,676.88, 43,713.60 and 17,336.32 is: 23,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676.88 : 43,713.60 = 17,336.32 : x
  2. Step 2: Convert to fraction form
    31,676.88/43,713.60 = 17,336.32/x
  3. Step 3: Cross multiply
    31,676.88x = 43,713.60 × 17,336.32
  4. Step 4: Simplify right side
    31,676.88x = 757,832,957.95
  5. Step 5: Solve for x
    x = 757,832,957.95/31,676.88
  6. Step 6: Final answer
    x = 23,923.85

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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.