Home / 31,264.76-43,144.62-17,118.20

Finding the Fourth Proportional to 31,264.76, 43,144.62 and 17,118.20

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Solution

The fourth proportional to 31,264.76, 43,144.62 and 17,118.20 is: 23,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.76 : 43,144.62 = 17,118.20 : x
  2. Step 2: Convert to fraction form
    31,264.76/43,144.62 = 17,118.20/x
  3. Step 3: Cross multiply
    31,264.76x = 43,144.62 × 17,118.20
  4. Step 4: Simplify right side
    31,264.76x = 738,558,234.08
  5. Step 5: Solve for x
    x = 738,558,234.08/31,264.76
  6. Step 6: Final answer
    x = 23,622.71

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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.