Home / 39,101.48-58,664.38-11,399.72

Finding the Fourth Proportional to 39,101.48, 58,664.38 and 11,399.72

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Solution

The fourth proportional to 39,101.48, 58,664.38 and 11,399.72 is: 17,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,101.48 : 58,664.38 = 11,399.72 : x
  2. Step 2: Convert to fraction form
    39,101.48/58,664.38 = 11,399.72/x
  3. Step 3: Cross multiply
    39,101.48x = 58,664.38 × 11,399.72
  4. Step 4: Simplify right side
    39,101.48x = 668,757,505.97
  5. Step 5: Solve for x
    x = 668,757,505.97/39,101.48
  6. Step 6: Final answer
    x = 17,103.13

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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.