Home / 29,305.36-40,441.35-15,876.96

Finding the Fourth Proportional to 29,305.36, 40,441.35 and 15,876.96

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Solution

The fourth proportional to 29,305.36, 40,441.35 and 15,876.96 is: 21,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.36 : 40,441.35 = 15,876.96 : x
  2. Step 2: Convert to fraction form
    29,305.36/40,441.35 = 15,876.96/x
  3. Step 3: Cross multiply
    29,305.36x = 40,441.35 × 15,876.96
  4. Step 4: Simplify right side
    29,305.36x = 642,085,414.70
  5. Step 5: Solve for x
    x = 642,085,414.70/29,305.36
  6. Step 6: Final answer
    x = 21,910.17

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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.