Home / 56,917.32-85,380.11-21,856.97

Finding the Fourth Proportional to 56,917.32, 85,380.11 and 21,856.97

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Solution

The fourth proportional to 56,917.32, 85,380.11 and 21,856.97 is: 32,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.32 : 85,380.11 = 21,856.97 : x
  2. Step 2: Convert to fraction form
    56,917.32/85,380.11 = 21,856.97/x
  3. Step 3: Cross multiply
    56,917.32x = 85,380.11 × 21,856.97
  4. Step 4: Simplify right side
    56,917.32x = 1,866,149,966.68
  5. Step 5: Solve for x
    x = 1,866,149,966.68/56,917.32
  6. Step 6: Final answer
    x = 32,787.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.