Home / 31,640.58-43,659.18-17,493.48

Finding the Fourth Proportional to 31,640.58, 43,659.18 and 17,493.48

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Solution

The fourth proportional to 31,640.58, 43,659.18 and 17,493.48 is: 24,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.58 : 43,659.18 = 17,493.48 : x
  2. Step 2: Convert to fraction form
    31,640.58/43,659.18 = 17,493.48/x
  3. Step 3: Cross multiply
    31,640.58x = 43,659.18 × 17,493.48
  4. Step 4: Simplify right side
    31,640.58x = 763,750,992.15
  5. Step 5: Solve for x
    x = 763,750,992.15/31,640.58
  6. Step 6: Final answer
    x = 24,138.34

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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.