Home / 51,167.39-76,761.36-21,585.15

Finding the Fourth Proportional to 51,167.39, 76,761.36 and 21,585.15

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Solution

The fourth proportional to 51,167.39, 76,761.36 and 21,585.15 is: 32,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,167.39 : 76,761.36 = 21,585.15 : x
  2. Step 2: Convert to fraction form
    51,167.39/76,761.36 = 21,585.15/x
  3. Step 3: Cross multiply
    51,167.39x = 76,761.36 × 21,585.15
  4. Step 4: Simplify right side
    51,167.39x = 1,656,905,469.80
  5. Step 5: Solve for x
    x = 1,656,905,469.80/51,167.39
  6. Step 6: Final answer
    x = 32,382.06

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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.