Home / 39,243.59-58,786.56-18,154.07

Finding the Fourth Proportional to 39,243.59, 58,786.56 and 18,154.07

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Solution

The fourth proportional to 39,243.59, 58,786.56 and 18,154.07 is: 27,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.59 : 58,786.56 = 18,154.07 : x
  2. Step 2: Convert to fraction form
    39,243.59/58,786.56 = 18,154.07/x
  3. Step 3: Cross multiply
    39,243.59x = 58,786.56 × 18,154.07
  4. Step 4: Simplify right side
    39,243.59x = 1,067,215,582.49
  5. Step 5: Solve for x
    x = 1,067,215,582.49/39,243.59
  6. Step 6: Final answer
    x = 27,194.65

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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.