Home / 56,481.32-77,944.26-31,330.82

Finding the Fourth Proportional to 56,481.32, 77,944.26 and 31,330.82

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Solution

The fourth proportional to 56,481.32, 77,944.26 and 31,330.82 is: 43,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,481.32 : 77,944.26 = 31,330.82 : x
  2. Step 2: Convert to fraction form
    56,481.32/77,944.26 = 31,330.82/x
  3. Step 3: Cross multiply
    56,481.32x = 77,944.26 × 31,330.82
  4. Step 4: Simplify right side
    56,481.32x = 2,442,057,190.37
  5. Step 5: Solve for x
    x = 2,442,057,190.37/56,481.32
  6. Step 6: Final answer
    x = 43,236.55

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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.