Home / 51,167.45-76,759.37-21,589.64

Finding the Fourth Proportional to 51,167.45, 76,759.37 and 21,589.64

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Solution

The fourth proportional to 51,167.45, 76,759.37 and 21,589.64 is: 32,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,167.45 : 76,759.37 = 21,589.64 : x
  2. Step 2: Convert to fraction form
    51,167.45/76,759.37 = 21,589.64/x
  3. Step 3: Cross multiply
    51,167.45x = 76,759.37 × 21,589.64
  4. Step 4: Simplify right side
    51,167.45x = 1,657,207,164.93
  5. Step 5: Solve for x
    x = 1,657,207,164.93/51,167.45
  6. Step 6: Final answer
    x = 32,387.92

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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.