Home / 56,456.94-77,914.08-31,306.44

Finding the Fourth Proportional to 56,456.94, 77,914.08 and 31,306.44

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Solution

The fourth proportional to 56,456.94, 77,914.08 and 31,306.44 is: 43,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.94 : 77,914.08 = 31,306.44 : x
  2. Step 2: Convert to fraction form
    56,456.94/77,914.08 = 31,306.44/x
  3. Step 3: Cross multiply
    56,456.94x = 77,914.08 × 31,306.44
  4. Step 4: Simplify right side
    56,456.94x = 2,439,212,470.68
  5. Step 5: Solve for x
    x = 2,439,212,470.68/56,456.94
  6. Step 6: Final answer
    x = 43,204.83

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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.