Home / 50,696.56-76,012.44-21,134.80

Finding the Fourth Proportional to 50,696.56, 76,012.44 and 21,134.80

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Solution

The fourth proportional to 50,696.56, 76,012.44 and 21,134.80 is: 31,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,696.56 : 76,012.44 = 21,134.80 : x
  2. Step 2: Convert to fraction form
    50,696.56/76,012.44 = 21,134.80/x
  3. Step 3: Cross multiply
    50,696.56x = 76,012.44 × 21,134.80
  4. Step 4: Simplify right side
    50,696.56x = 1,606,507,716.91
  5. Step 5: Solve for x
    x = 1,606,507,716.91/50,696.56
  6. Step 6: Final answer
    x = 31,688.69

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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.