Home / 31,027.62-42,818.41-18,449.94

Finding the Fourth Proportional to 31,027.62, 42,818.41 and 18,449.94

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Solution

The fourth proportional to 31,027.62, 42,818.41 and 18,449.94 is: 25,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,027.62 : 42,818.41 = 18,449.94 : x
  2. Step 2: Convert to fraction form
    31,027.62/42,818.41 = 18,449.94/x
  3. Step 3: Cross multiply
    31,027.62x = 42,818.41 × 18,449.94
  4. Step 4: Simplify right side
    31,027.62x = 789,997,003.15
  5. Step 5: Solve for x
    x = 789,997,003.15/31,027.62
  6. Step 6: Final answer
    x = 25,461.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.