Home / 51,289.07-76,943.57-19,696.81

Finding the Fourth Proportional to 51,289.07, 76,943.57 and 19,696.81

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Solution

The fourth proportional to 51,289.07, 76,943.57 and 19,696.81 is: 29,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289.07 : 76,943.57 = 19,696.81 : x
  2. Step 2: Convert to fraction form
    51,289.07/76,943.57 = 19,696.81/x
  3. Step 3: Cross multiply
    51,289.07x = 76,943.57 × 19,696.81
  4. Step 4: Simplify right side
    51,289.07x = 1,515,542,879.01
  5. Step 5: Solve for x
    x = 1,515,542,879.01/51,289.07
  6. Step 6: Final answer
    x = 29,549.04

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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.