Home / 39,826.62-54,958.77-21,923.19

Finding the Fourth Proportional to 39,826.62, 54,958.77 and 21,923.19

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Solution

The fourth proportional to 39,826.62, 54,958.77 and 21,923.19 is: 30,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.62 : 54,958.77 = 21,923.19 : x
  2. Step 2: Convert to fraction form
    39,826.62/54,958.77 = 21,923.19/x
  3. Step 3: Cross multiply
    39,826.62x = 54,958.77 × 21,923.19
  4. Step 4: Simplify right side
    39,826.62x = 1,204,871,556.88
  5. Step 5: Solve for x
    x = 1,204,871,556.88/39,826.62
  6. Step 6: Final answer
    x = 30,252.92

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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.