Home / 71,682.03-107,527.91-19,091.97

Finding the Fourth Proportional to 71,682.03, 107,527.91 and 19,091.97

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Solution

The fourth proportional to 71,682.03, 107,527.91 and 19,091.97 is: 28,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,682.03 : 107,527.91 = 19,091.97 : x
  2. Step 2: Convert to fraction form
    71,682.03/107,527.91 = 19,091.97/x
  3. Step 3: Cross multiply
    71,682.03x = 107,527.91 × 19,091.97
  4. Step 4: Simplify right side
    71,682.03x = 2,052,919,536.42
  5. Step 5: Solve for x
    x = 2,052,919,536.42/71,682.03
  6. Step 6: Final answer
    x = 28,639.25

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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.