Home / 29,147.31-43,735.41-19,283.94

Finding the Fourth Proportional to 29,147.31, 43,735.41 and 19,283.94

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Solution

The fourth proportional to 29,147.31, 43,735.41 and 19,283.94 is: 28,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.31 : 43,735.41 = 19,283.94 : x
  2. Step 2: Convert to fraction form
    29,147.31/43,735.41 = 19,283.94/x
  3. Step 3: Cross multiply
    29,147.31x = 43,735.41 × 19,283.94
  4. Step 4: Simplify right side
    29,147.31x = 843,391,022.32
  5. Step 5: Solve for x
    x = 843,391,022.32/29,147.31
  6. Step 6: Final answer
    x = 28,935.47

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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.