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Finding the Fourth Proportional to 71,592, 107,367.35 and 21,660.36

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Solution

The fourth proportional to 71,592, 107,367.35 and 21,660.36 is: 32,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,592 : 107,367.35 = 21,660.36 : x
  2. Step 2: Convert to fraction form
    71,592/107,367.35 = 21,660.36/x
  3. Step 3: Cross multiply
    71,592x = 107,367.35 × 21,660.36
  4. Step 4: Simplify right side
    71,592x = 2,325,615,344.94
  5. Step 5: Solve for x
    x = 2,325,615,344.94/71,592
  6. Step 6: Final answer
    x = 32,484.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.