Home / 51,449.94-77,175.12-18,166.20

Finding the Fourth Proportional to 51,449.94, 77,175.12 and 18,166.20

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Solution

The fourth proportional to 51,449.94, 77,175.12 and 18,166.20 is: 27,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,449.94 : 77,175.12 = 18,166.20 : x
  2. Step 2: Convert to fraction form
    51,449.94/77,175.12 = 18,166.20/x
  3. Step 3: Cross multiply
    51,449.94x = 77,175.12 × 18,166.20
  4. Step 4: Simplify right side
    51,449.94x = 1,401,978,664.94
  5. Step 5: Solve for x
    x = 1,401,978,664.94/51,449.94
  6. Step 6: Final answer
    x = 27,249.37

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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.