Home / 39,201.72-58,744.26-21,676.56

Finding the Fourth Proportional to 39,201.72, 58,744.26 and 21,676.56

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Solution

The fourth proportional to 39,201.72, 58,744.26 and 21,676.56 is: 32,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.72 : 58,744.26 = 21,676.56 : x
  2. Step 2: Convert to fraction form
    39,201.72/58,744.26 = 21,676.56/x
  3. Step 3: Cross multiply
    39,201.72x = 58,744.26 × 21,676.56
  4. Step 4: Simplify right side
    39,201.72x = 1,273,373,476.55
  5. Step 5: Solve for x
    x = 1,273,373,476.55/39,201.72
  6. Step 6: Final answer
    x = 32,482.59

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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.