Home / 39,463.82-54,461.27-21,559.98

Finding the Fourth Proportional to 39,463.82, 54,461.27 and 21,559.98

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Solution

The fourth proportional to 39,463.82, 54,461.27 and 21,559.98 is: 29,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,463.82 : 54,461.27 = 21,559.98 : x
  2. Step 2: Convert to fraction form
    39,463.82/54,461.27 = 21,559.98/x
  3. Step 3: Cross multiply
    39,463.82x = 54,461.27 × 21,559.98
  4. Step 4: Simplify right side
    39,463.82x = 1,174,183,891.97
  5. Step 5: Solve for x
    x = 1,174,183,891.97/39,463.82
  6. Step 6: Final answer
    x = 29,753.43

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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.