Home / 56,743.44-78,305.20-31,249.32

Finding the Fourth Proportional to 56,743.44, 78,305.20 and 31,249.32

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Solution

The fourth proportional to 56,743.44, 78,305.20 and 31,249.32 is: 43,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,743.44 : 78,305.20 = 31,249.32 : x
  2. Step 2: Convert to fraction form
    56,743.44/78,305.20 = 31,249.32/x
  3. Step 3: Cross multiply
    56,743.44x = 78,305.20 × 31,249.32
  4. Step 4: Simplify right side
    56,743.44x = 2,446,984,252.46
  5. Step 5: Solve for x
    x = 2,446,984,252.46/56,743.44
  6. Step 6: Final answer
    x = 43,123.65

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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.