Home / 31,766.36-43,836.45-17,620.52

Finding the Fourth Proportional to 31,766.36, 43,836.45 and 17,620.52

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Solution

The fourth proportional to 31,766.36, 43,836.45 and 17,620.52 is: 24,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.36 : 43,836.45 = 17,620.52 : x
  2. Step 2: Convert to fraction form
    31,766.36/43,836.45 = 17,620.52/x
  3. Step 3: Cross multiply
    31,766.36x = 43,836.45 × 17,620.52
  4. Step 4: Simplify right side
    31,766.36x = 772,420,824.77
  5. Step 5: Solve for x
    x = 772,420,824.77/31,766.36
  6. Step 6: Final answer
    x = 24,315.69

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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.