Home / 71,584.53-107,378.16-21,664.43

Finding the Fourth Proportional to 71,584.53, 107,378.16 and 21,664.43

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Solution

The fourth proportional to 71,584.53, 107,378.16 and 21,664.43 is: 32,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,584.53 : 107,378.16 = 21,664.43 : x
  2. Step 2: Convert to fraction form
    71,584.53/107,378.16 = 21,664.43/x
  3. Step 3: Cross multiply
    71,584.53x = 107,378.16 × 21,664.43
  4. Step 4: Simplify right side
    71,584.53x = 2,326,286,415.38
  5. Step 5: Solve for x
    x = 2,326,286,415.38/71,584.53
  6. Step 6: Final answer
    x = 32,497.06

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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.