Home / 29,787.32-41,081.37-21,273.68

Finding the Fourth Proportional to 29,787.32, 41,081.37 and 21,273.68

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Solution

The fourth proportional to 29,787.32, 41,081.37 and 21,273.68 is: 29,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787.32 : 41,081.37 = 21,273.68 : x
  2. Step 2: Convert to fraction form
    29,787.32/41,081.37 = 21,273.68/x
  3. Step 3: Cross multiply
    29,787.32x = 41,081.37 × 21,273.68
  4. Step 4: Simplify right side
    29,787.32x = 873,951,919.34
  5. Step 5: Solve for x
    x = 873,951,919.34/29,787.32
  6. Step 6: Final answer
    x = 29,339.73

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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.