Home / 31,553.03-43,543.25-17,212.88

Finding the Fourth Proportional to 31,553.03, 43,543.25 and 17,212.88

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Solution

The fourth proportional to 31,553.03, 43,543.25 and 17,212.88 is: 23,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.03 : 43,543.25 = 17,212.88 : x
  2. Step 2: Convert to fraction form
    31,553.03/43,543.25 = 17,212.88/x
  3. Step 3: Cross multiply
    31,553.03x = 43,543.25 × 17,212.88
  4. Step 4: Simplify right side
    31,553.03x = 749,504,433.28
  5. Step 5: Solve for x
    x = 749,504,433.28/31,553.03
  6. Step 6: Final answer
    x = 23,753.81

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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.