Home / 56,286.44-77,675.90-30,792.26

Finding the Fourth Proportional to 56,286.44, 77,675.90 and 30,792.26

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Solution

The fourth proportional to 56,286.44, 77,675.90 and 30,792.26 is: 42,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,286.44 : 77,675.90 = 30,792.26 : x
  2. Step 2: Convert to fraction form
    56,286.44/77,675.90 = 30,792.26/x
  3. Step 3: Cross multiply
    56,286.44x = 77,675.90 × 30,792.26
  4. Step 4: Simplify right side
    56,286.44x = 2,391,816,508.53
  5. Step 5: Solve for x
    x = 2,391,816,508.53/56,286.44
  6. Step 6: Final answer
    x = 42,493.65

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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.