Home / 31,372.26-47,054.34-7,997.28

Finding the Fourth Proportional to 31,372.26, 47,054.34 and 7,997.28

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Solution

The fourth proportional to 31,372.26, 47,054.34 and 7,997.28 is: 11,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.26 : 47,054.34 = 7,997.28 : x
  2. Step 2: Convert to fraction form
    31,372.26/47,054.34 = 7,997.28/x
  3. Step 3: Cross multiply
    31,372.26x = 47,054.34 × 7,997.28
  4. Step 4: Simplify right side
    31,372.26x = 376,306,732.20
  5. Step 5: Solve for x
    x = 376,306,732.20/31,372.26
  6. Step 6: Final answer
    x = 11,994.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.