Home / 31,956.92-44,087.56-21,206.86

Finding the Fourth Proportional to 31,956.92, 44,087.56 and 21,206.86

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Solution

The fourth proportional to 31,956.92, 44,087.56 and 21,206.86 is: 29,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956.92 : 44,087.56 = 21,206.86 : x
  2. Step 2: Convert to fraction form
    31,956.92/44,087.56 = 21,206.86/x
  3. Step 3: Cross multiply
    31,956.92x = 44,087.56 × 21,206.86
  4. Step 4: Simplify right side
    31,956.92x = 934,958,712.66
  5. Step 5: Solve for x
    x = 934,958,712.66/31,956.92
  6. Step 6: Final answer
    x = 29,256.85

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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.