Home / 51,240.41-76,351.22-45,650.80

Finding the Fourth Proportional to 51,240.41, 76,351.22 and 45,650.80

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Solution

The fourth proportional to 51,240.41, 76,351.22 and 45,650.80 is: 68,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.41 : 76,351.22 = 45,650.80 : x
  2. Step 2: Convert to fraction form
    51,240.41/76,351.22 = 45,650.80/x
  3. Step 3: Cross multiply
    51,240.41x = 76,351.22 × 45,650.80
  4. Step 4: Simplify right side
    51,240.41x = 3,485,494,312.35
  5. Step 5: Solve for x
    x = 3,485,494,312.35/51,240.41
  6. Step 6: Final answer
    x = 68,022.38

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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.