Home / 31,513.76-43,489.12-17,366.28

Finding the Fourth Proportional to 31,513.76, 43,489.12 and 17,366.28

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Solution

The fourth proportional to 31,513.76, 43,489.12 and 17,366.28 is: 23,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.76 : 43,489.12 = 17,366.28 : x
  2. Step 2: Convert to fraction form
    31,513.76/43,489.12 = 17,366.28/x
  3. Step 3: Cross multiply
    31,513.76x = 43,489.12 × 17,366.28
  4. Step 4: Simplify right side
    31,513.76x = 755,244,234.87
  5. Step 5: Solve for x
    x = 755,244,234.87/31,513.76
  6. Step 6: Final answer
    x = 23,965.54

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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.