Home / 31,811.84-43,899.66-17,664.44

Finding the Fourth Proportional to 31,811.84, 43,899.66 and 17,664.44

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Solution

The fourth proportional to 31,811.84, 43,899.66 and 17,664.44 is: 24,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.84 : 43,899.66 = 17,664.44 : x
  2. Step 2: Convert to fraction form
    31,811.84/43,899.66 = 17,664.44/x
  3. Step 3: Cross multiply
    31,811.84x = 43,899.66 × 17,664.44
  4. Step 4: Simplify right side
    31,811.84x = 775,462,910.09
  5. Step 5: Solve for x
    x = 775,462,910.09/31,811.84
  6. Step 6: Final answer
    x = 24,376.55

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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.