Home / 51,709.78-77,546.04-22,129.66

Finding the Fourth Proportional to 51,709.78, 77,546.04 and 22,129.66

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Solution

The fourth proportional to 51,709.78, 77,546.04 and 22,129.66 is: 33,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,709.78 : 77,546.04 = 22,129.66 : x
  2. Step 2: Convert to fraction form
    51,709.78/77,546.04 = 22,129.66/x
  3. Step 3: Cross multiply
    51,709.78x = 77,546.04 × 22,129.66
  4. Step 4: Simplify right side
    51,709.78x = 1,716,067,499.55
  5. Step 5: Solve for x
    x = 1,716,067,499.55/51,709.78
  6. Step 6: Final answer
    x = 33,186.52

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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.