Home / 51,808.75-71,491.97-29,143.24

Finding the Fourth Proportional to 51,808.75, 71,491.97 and 29,143.24

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Solution

The fourth proportional to 51,808.75, 71,491.97 and 29,143.24 is: 40,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,808.75 : 71,491.97 = 29,143.24 : x
  2. Step 2: Convert to fraction form
    51,808.75/71,491.97 = 29,143.24/x
  3. Step 3: Cross multiply
    51,808.75x = 71,491.97 × 29,143.24
  4. Step 4: Simplify right side
    51,808.75x = 2,083,507,533.91
  5. Step 5: Solve for x
    x = 2,083,507,533.91/51,808.75
  6. Step 6: Final answer
    x = 40,215.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.