Home / 51,240.91-76,351.96-45,651.30

Finding the Fourth Proportional to 51,240.91, 76,351.96 and 45,651.30

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Solution

The fourth proportional to 51,240.91, 76,351.96 and 45,651.30 is: 68,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.91 : 76,351.96 = 45,651.30 : x
  2. Step 2: Convert to fraction form
    51,240.91/76,351.96 = 45,651.30/x
  3. Step 3: Cross multiply
    51,240.91x = 76,351.96 × 45,651.30
  4. Step 4: Simplify right side
    51,240.91x = 3,485,566,422.43
  5. Step 5: Solve for x
    x = 3,485,566,422.43/51,240.91
  6. Step 6: Final answer
    x = 68,023.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.