Home / 63,739.40-87,951.84-35,439.64

Finding the Fourth Proportional to 63,739.40, 87,951.84 and 35,439.64

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Solution

The fourth proportional to 63,739.40, 87,951.84 and 35,439.64 is: 48,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,739.40 : 87,951.84 = 35,439.64 : x
  2. Step 2: Convert to fraction form
    63,739.40/87,951.84 = 35,439.64/x
  3. Step 3: Cross multiply
    63,739.40x = 87,951.84 × 35,439.64
  4. Step 4: Simplify right side
    63,739.40x = 3,116,981,546.94
  5. Step 5: Solve for x
    x = 3,116,981,546.94/63,739.40
  6. Step 6: Final answer
    x = 48,901.96

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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.