Home / 71,893.28-107,839.92-21,973.52

Finding the Fourth Proportional to 71,893.28, 107,839.92 and 21,973.52

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Solution

The fourth proportional to 71,893.28, 107,839.92 and 21,973.52 is: 32,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,893.28 : 107,839.92 = 21,973.52 : x
  2. Step 2: Convert to fraction form
    71,893.28/107,839.92 = 21,973.52/x
  3. Step 3: Cross multiply
    71,893.28x = 107,839.92 × 21,973.52
  4. Step 4: Simplify right side
    71,893.28x = 2,369,622,638.92
  5. Step 5: Solve for x
    x = 2,369,622,638.92/71,893.28
  6. Step 6: Final answer
    x = 32,960.28

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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.