Home / 39,043.78-58,537.83-18,255.94

Finding the Fourth Proportional to 39,043.78, 58,537.83 and 18,255.94

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Solution

The fourth proportional to 39,043.78, 58,537.83 and 18,255.94 is: 27,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,043.78 : 58,537.83 = 18,255.94 : x
  2. Step 2: Convert to fraction form
    39,043.78/58,537.83 = 18,255.94/x
  3. Step 3: Cross multiply
    39,043.78x = 58,537.83 × 18,255.94
  4. Step 4: Simplify right side
    39,043.78x = 1,068,663,112.21
  5. Step 5: Solve for x
    x = 1,068,663,112.21/39,043.78
  6. Step 6: Final answer
    x = 27,370.89

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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.