Home / 51,876.22-77,825.70-16,819.42

Finding the Fourth Proportional to 51,876.22, 77,825.70 and 16,819.42

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Solution

The fourth proportional to 51,876.22, 77,825.70 and 16,819.42 is: 25,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876.22 : 77,825.70 = 16,819.42 : x
  2. Step 2: Convert to fraction form
    51,876.22/77,825.70 = 16,819.42/x
  3. Step 3: Cross multiply
    51,876.22x = 77,825.70 × 16,819.42
  4. Step 4: Simplify right side
    51,876.22x = 1,308,983,135.09
  5. Step 5: Solve for x
    x = 1,308,983,135.09/51,876.22
  6. Step 6: Final answer
    x = 25,232.82

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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.