Home / 29,305.38-40,441.37-15,876.97

Finding the Fourth Proportional to 29,305.38, 40,441.37 and 15,876.97

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Solution

The fourth proportional to 29,305.38, 40,441.37 and 15,876.97 is: 21,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.38 : 40,441.37 = 15,876.97 : x
  2. Step 2: Convert to fraction form
    29,305.38/40,441.37 = 15,876.97/x
  3. Step 3: Cross multiply
    29,305.38x = 40,441.37 × 15,876.97
  4. Step 4: Simplify right side
    29,305.38x = 642,086,237.76
  5. Step 5: Solve for x
    x = 642,086,237.76/29,305.38
  6. Step 6: Final answer
    x = 21,910.18

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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.