Home / 39,821.56-54,950.92-23,687.98

Finding the Fourth Proportional to 39,821.56, 54,950.92 and 23,687.98

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Solution

The fourth proportional to 39,821.56, 54,950.92 and 23,687.98 is: 32,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.56 : 54,950.92 = 23,687.98 : x
  2. Step 2: Convert to fraction form
    39,821.56/54,950.92 = 23,687.98/x
  3. Step 3: Cross multiply
    39,821.56x = 54,950.92 × 23,687.98
  4. Step 4: Simplify right side
    39,821.56x = 1,301,676,293.94
  5. Step 5: Solve for x
    x = 1,301,676,293.94/39,821.56
  6. Step 6: Final answer
    x = 32,687.73

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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.