Home / 31,873.70-43,981.44-17,723.82

Finding the Fourth Proportional to 31,873.70, 43,981.44 and 17,723.82

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Solution

The fourth proportional to 31,873.70, 43,981.44 and 17,723.82 is: 24,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,873.70 : 43,981.44 = 17,723.82 : x
  2. Step 2: Convert to fraction form
    31,873.70/43,981.44 = 17,723.82/x
  3. Step 3: Cross multiply
    31,873.70x = 43,981.44 × 17,723.82
  4. Step 4: Simplify right side
    31,873.70x = 779,519,125.90
  5. Step 5: Solve for x
    x = 779,519,125.90/31,873.70
  6. Step 6: Final answer
    x = 24,456.50

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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.