Home / 66,892.55-100,338.62-16,972.56

Finding the Fourth Proportional to 66,892.55, 100,338.62 and 16,972.56

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Solution

The fourth proportional to 66,892.55, 100,338.62 and 16,972.56 is: 25,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,892.55 : 100,338.62 = 16,972.56 : x
  2. Step 2: Convert to fraction form
    66,892.55/100,338.62 = 16,972.56/x
  3. Step 3: Cross multiply
    66,892.55x = 100,338.62 × 16,972.56
  4. Step 4: Simplify right side
    66,892.55x = 1,703,003,163.40
  5. Step 5: Solve for x
    x = 1,703,003,163.40/66,892.55
  6. Step 6: Final answer
    x = 25,458.79

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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.