Home / 56,473.26-77,942.43-31,330.86

Finding the Fourth Proportional to 56,473.26, 77,942.43 and 31,330.86

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Solution

The fourth proportional to 56,473.26, 77,942.43 and 31,330.86 is: 43,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,473.26 : 77,942.43 = 31,330.86 : x
  2. Step 2: Convert to fraction form
    56,473.26/77,942.43 = 31,330.86/x
  3. Step 3: Cross multiply
    56,473.26x = 77,942.43 × 31,330.86
  4. Step 4: Simplify right side
    56,473.26x = 2,442,003,362.39
  5. Step 5: Solve for x
    x = 2,442,003,362.39/56,473.26
  6. Step 6: Final answer
    x = 43,241.76

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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.