Home / 56,791.38-78,362.94-32,913.44

Finding the Fourth Proportional to 56,791.38, 78,362.94 and 32,913.44

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Solution

The fourth proportional to 56,791.38, 78,362.94 and 32,913.44 is: 45,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,791.38 : 78,362.94 = 32,913.44 : x
  2. Step 2: Convert to fraction form
    56,791.38/78,362.94 = 32,913.44/x
  3. Step 3: Cross multiply
    56,791.38x = 78,362.94 × 32,913.44
  4. Step 4: Simplify right side
    56,791.38x = 2,579,193,949.39
  5. Step 5: Solve for x
    x = 2,579,193,949.39/56,791.38
  6. Step 6: Final answer
    x = 45,415.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.