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Finding the Fourth Proportional to 41,975.84, 62,973 and 13,904.60

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Solution

The fourth proportional to 41,975.84, 62,973 and 13,904.60 is: 20,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,975.84 : 62,973 = 13,904.60 : x
  2. Step 2: Convert to fraction form
    41,975.84/62,973 = 13,904.60/x
  3. Step 3: Cross multiply
    41,975.84x = 62,973 × 13,904.60
  4. Step 4: Simplify right side
    41,975.84x = 875,614,375.80
  5. Step 5: Solve for x
    x = 875,614,375.80/41,975.84
  6. Step 6: Final answer
    x = 20,859.96

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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.