Home / 31,668.14-43,702.17-17,521.46

Finding the Fourth Proportional to 31,668.14, 43,702.17 and 17,521.46

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Solution

The fourth proportional to 31,668.14, 43,702.17 and 17,521.46 is: 24,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.14 : 43,702.17 = 17,521.46 : x
  2. Step 2: Convert to fraction form
    31,668.14/43,702.17 = 17,521.46/x
  3. Step 3: Cross multiply
    31,668.14x = 43,702.17 × 17,521.46
  4. Step 4: Simplify right side
    31,668.14x = 765,725,823.57
  5. Step 5: Solve for x
    x = 765,725,823.57/31,668.14
  6. Step 6: Final answer
    x = 24,179.69

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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.