Home / 51,174.20-76,761.30-21,584.18

Finding the Fourth Proportional to 51,174.20, 76,761.30 and 21,584.18

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Solution

The fourth proportional to 51,174.20, 76,761.30 and 21,584.18 is: 32,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.20 : 76,761.30 = 21,584.18 : x
  2. Step 2: Convert to fraction form
    51,174.20/76,761.30 = 21,584.18/x
  3. Step 3: Cross multiply
    51,174.20x = 76,761.30 × 21,584.18
  4. Step 4: Simplify right side
    51,174.20x = 1,656,829,716.23
  5. Step 5: Solve for x
    x = 1,656,829,716.23/51,174.20
  6. Step 6: Final answer
    x = 32,376.27

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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.