Home / 51,287.07-76,940.57-19,694.81

Finding the Fourth Proportional to 51,287.07, 76,940.57 and 19,694.81

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Solution

The fourth proportional to 51,287.07, 76,940.57 and 19,694.81 is: 29,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.07 : 76,940.57 = 19,694.81 : x
  2. Step 2: Convert to fraction form
    51,287.07/76,940.57 = 19,694.81/x
  3. Step 3: Cross multiply
    51,287.07x = 76,940.57 × 19,694.81
  4. Step 4: Simplify right side
    51,287.07x = 1,515,329,859.06
  5. Step 5: Solve for x
    x = 1,515,329,859.06/51,287.07
  6. Step 6: Final answer
    x = 29,546.04

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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.