Home / 30,172.66-45,230.96-16,142.37

Finding the Fourth Proportional to 30,172.66, 45,230.96 and 16,142.37

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Solution

The fourth proportional to 30,172.66, 45,230.96 and 16,142.37 is: 24,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172.66 : 45,230.96 = 16,142.37 : x
  2. Step 2: Convert to fraction form
    30,172.66/45,230.96 = 16,142.37/x
  3. Step 3: Cross multiply
    30,172.66x = 45,230.96 × 16,142.37
  4. Step 4: Simplify right side
    30,172.66x = 730,134,891.78
  5. Step 5: Solve for x
    x = 730,134,891.78/30,172.66
  6. Step 6: Final answer
    x = 24,198.56

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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.