Home / 39,844.97-54,986.06-21,939.93

Finding the Fourth Proportional to 39,844.97, 54,986.06 and 21,939.93

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Solution

The fourth proportional to 39,844.97, 54,986.06 and 21,939.93 is: 30,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,844.97 : 54,986.06 = 21,939.93 : x
  2. Step 2: Convert to fraction form
    39,844.97/54,986.06 = 21,939.93/x
  3. Step 3: Cross multiply
    39,844.97x = 54,986.06 × 21,939.93
  4. Step 4: Simplify right side
    39,844.97x = 1,206,390,238.81
  5. Step 5: Solve for x
    x = 1,206,390,238.81/39,844.97
  6. Step 6: Final answer
    x = 30,277.10

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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.