Home / 31,736.49-43,794.67-18,306.95

Finding the Fourth Proportional to 31,736.49, 43,794.67 and 18,306.95

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Solution

The fourth proportional to 31,736.49, 43,794.67 and 18,306.95 is: 25,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.49 : 43,794.67 = 18,306.95 : x
  2. Step 2: Convert to fraction form
    31,736.49/43,794.67 = 18,306.95/x
  3. Step 3: Cross multiply
    31,736.49x = 43,794.67 × 18,306.95
  4. Step 4: Simplify right side
    31,736.49x = 801,746,569.22
  5. Step 5: Solve for x
    x = 801,746,569.22/31,736.49
  6. Step 6: Final answer
    x = 25,262.61

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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.