Home / 71,892.03-107,838.05-21,972.27

Finding the Fourth Proportional to 71,892.03, 107,838.05 and 21,972.27

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Solution

The fourth proportional to 71,892.03, 107,838.05 and 21,972.27 is: 32,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,892.03 : 107,838.05 = 21,972.27 : x
  2. Step 2: Convert to fraction form
    71,892.03/107,838.05 = 21,972.27/x
  3. Step 3: Cross multiply
    71,892.03x = 107,838.05 × 21,972.27
  4. Step 4: Simplify right side
    71,892.03x = 2,369,446,641.01
  5. Step 5: Solve for x
    x = 2,369,446,641.01/71,892.03
  6. Step 6: Final answer
    x = 32,958.41

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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.