Home / 43,956.92-65,905.35-21,148.73

Finding the Fourth Proportional to 43,956.92, 65,905.35 and 21,148.73

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Solution

The fourth proportional to 43,956.92, 65,905.35 and 21,148.73 is: 31,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,956.92 : 65,905.35 = 21,148.73 : x
  2. Step 2: Convert to fraction form
    43,956.92/65,905.35 = 21,148.73/x
  3. Step 3: Cross multiply
    43,956.92x = 65,905.35 × 21,148.73
  4. Step 4: Simplify right side
    43,956.92x = 1,393,814,452.71
  5. Step 5: Solve for x
    x = 1,393,814,452.71/43,956.92
  6. Step 6: Final answer
    x = 31,708.65

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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.