Home / 31,866.84-43,975.20-17,719.44

Finding the Fourth Proportional to 31,866.84, 43,975.20 and 17,719.44

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Solution

The fourth proportional to 31,866.84, 43,975.20 and 17,719.44 is: 24,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.84 : 43,975.20 = 17,719.44 : x
  2. Step 2: Convert to fraction form
    31,866.84/43,975.20 = 17,719.44/x
  3. Step 3: Cross multiply
    31,866.84x = 43,975.20 × 17,719.44
  4. Step 4: Simplify right side
    31,866.84x = 779,215,917.89
  5. Step 5: Solve for x
    x = 779,215,917.89/31,866.84
  6. Step 6: Final answer
    x = 24,452.25

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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.