Home / 51,578.26-77,354.82-21,576.25

Finding the Fourth Proportional to 51,578.26, 77,354.82 and 21,576.25

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Solution

The fourth proportional to 51,578.26, 77,354.82 and 21,576.25 is: 32,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,578.26 : 77,354.82 = 21,576.25 : x
  2. Step 2: Convert to fraction form
    51,578.26/77,354.82 = 21,576.25/x
  3. Step 3: Cross multiply
    51,578.26x = 77,354.82 × 21,576.25
  4. Step 4: Simplify right side
    51,578.26x = 1,669,026,935.03
  5. Step 5: Solve for x
    x = 1,669,026,935.03/51,578.26
  6. Step 6: Final answer
    x = 32,359.12

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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.