Home / 56,791.17-78,375.21-31,297.44

Finding the Fourth Proportional to 56,791.17, 78,375.21 and 31,297.44

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Solution

The fourth proportional to 56,791.17, 78,375.21 and 31,297.44 is: 43,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,791.17 : 78,375.21 = 31,297.44 : x
  2. Step 2: Convert to fraction form
    56,791.17/78,375.21 = 31,297.44/x
  3. Step 3: Cross multiply
    56,791.17x = 78,375.21 × 31,297.44
  4. Step 4: Simplify right side
    56,791.17x = 2,452,943,432.46
  5. Step 5: Solve for x
    x = 2,452,943,432.46/56,791.17
  6. Step 6: Final answer
    x = 43,192.34

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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.