Home / 51,226.28-76,843.38-19,651.48

Finding the Fourth Proportional to 51,226.28, 76,843.38 and 19,651.48

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Solution

The fourth proportional to 51,226.28, 76,843.38 and 19,651.48 is: 29,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,226.28 : 76,843.38 = 19,651.48 : x
  2. Step 2: Convert to fraction form
    51,226.28/76,843.38 = 19,651.48/x
  3. Step 3: Cross multiply
    51,226.28x = 76,843.38 × 19,651.48
  4. Step 4: Simplify right side
    51,226.28x = 1,510,086,145.20
  5. Step 5: Solve for x
    x = 1,510,086,145.20/51,226.28
  6. Step 6: Final answer
    x = 29,478.74

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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.