Home / 31,633.88-43,659.14-18,204.89

Finding the Fourth Proportional to 31,633.88, 43,659.14 and 18,204.89

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Solution

The fourth proportional to 31,633.88, 43,659.14 and 18,204.89 is: 25,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,633.88 : 43,659.14 = 18,204.89 : x
  2. Step 2: Convert to fraction form
    31,633.88/43,659.14 = 18,204.89/x
  3. Step 3: Cross multiply
    31,633.88x = 43,659.14 × 18,204.89
  4. Step 4: Simplify right side
    31,633.88x = 794,809,531.87
  5. Step 5: Solve for x
    x = 794,809,531.87/31,633.88
  6. Step 6: Final answer
    x = 25,125.27

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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.