Home / 39,719.73-54,776.65-26,991.99

Finding the Fourth Proportional to 39,719.73, 54,776.65 and 26,991.99

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Solution

The fourth proportional to 39,719.73, 54,776.65 and 26,991.99 is: 37,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.73 : 54,776.65 = 26,991.99 : x
  2. Step 2: Convert to fraction form
    39,719.73/54,776.65 = 26,991.99/x
  3. Step 3: Cross multiply
    39,719.73x = 54,776.65 × 26,991.99
  4. Step 4: Simplify right side
    39,719.73x = 1,478,530,789.03
  5. Step 5: Solve for x
    x = 1,478,530,789.03/39,719.73
  6. Step 6: Final answer
    x = 37,224.09

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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.