Home / 31,668.75-43,702.92-17,522.55

Finding the Fourth Proportional to 31,668.75, 43,702.92 and 17,522.55

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Solution

The fourth proportional to 31,668.75, 43,702.92 and 17,522.55 is: 24,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.75 : 43,702.92 = 17,522.55 : x
  2. Step 2: Convert to fraction form
    31,668.75/43,702.92 = 17,522.55/x
  3. Step 3: Cross multiply
    31,668.75x = 43,702.92 × 17,522.55
  4. Step 4: Simplify right side
    31,668.75x = 765,786,600.85
  5. Step 5: Solve for x
    x = 765,786,600.85/31,668.75
  6. Step 6: Final answer
    x = 24,181.14

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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.