Home / 43,072.11-64,615.91-17,757.54

Finding the Fourth Proportional to 43,072.11, 64,615.91 and 17,757.54

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Solution

The fourth proportional to 43,072.11, 64,615.91 and 17,757.54 is: 26,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,072.11 : 64,615.91 = 17,757.54 : x
  2. Step 2: Convert to fraction form
    43,072.11/64,615.91 = 17,757.54/x
  3. Step 3: Cross multiply
    43,072.11x = 64,615.91 × 17,757.54
  4. Step 4: Simplify right side
    43,072.11x = 1,147,419,517.67
  5. Step 5: Solve for x
    x = 1,147,419,517.67/43,072.11
  6. Step 6: Final answer
    x = 26,639.50

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1.5x scale

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.