Home / 39,098.91-53,956.31-21,193.86

Finding the Fourth Proportional to 39,098.91, 53,956.31 and 21,193.86

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Solution

The fourth proportional to 39,098.91, 53,956.31 and 21,193.86 is: 29,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.91 : 53,956.31 = 21,193.86 : x
  2. Step 2: Convert to fraction form
    39,098.91/53,956.31 = 21,193.86/x
  3. Step 3: Cross multiply
    39,098.91x = 53,956.31 × 21,193.86
  4. Step 4: Simplify right side
    39,098.91x = 1,143,542,480.26
  5. Step 5: Solve for x
    x = 1,143,542,480.26/39,098.91
  6. Step 6: Final answer
    x = 29,247.43

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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.