Home / 31,265.89-43,146.93-17,118.73

Finding the Fourth Proportional to 31,265.89, 43,146.93 and 17,118.73

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Solution

The fourth proportional to 31,265.89, 43,146.93 and 17,118.73 is: 23,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.89 : 43,146.93 = 17,118.73 : x
  2. Step 2: Convert to fraction form
    31,265.89/43,146.93 = 17,118.73/x
  3. Step 3: Cross multiply
    31,265.89x = 43,146.93 × 17,118.73
  4. Step 4: Simplify right side
    31,265.89x = 738,620,645.00
  5. Step 5: Solve for x
    x = 738,620,645.00/31,265.89
  6. Step 6: Final answer
    x = 23,623.85

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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.