Home / 39,849.48-54,991.92-21,944.16

Finding the Fourth Proportional to 39,849.48, 54,991.92 and 21,944.16

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Solution

The fourth proportional to 39,849.48, 54,991.92 and 21,944.16 is: 30,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.48 : 54,991.92 = 21,944.16 : x
  2. Step 2: Convert to fraction form
    39,849.48/54,991.92 = 21,944.16/x
  3. Step 3: Cross multiply
    39,849.48x = 54,991.92 × 21,944.16
  4. Step 4: Simplify right side
    39,849.48x = 1,206,751,491.19
  5. Step 5: Solve for x
    x = 1,206,751,491.19/39,849.48
  6. Step 6: Final answer
    x = 30,282.74

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1.5x scale

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.