Home / 39,992.36-55,189.12-22,086.98

Finding the Fourth Proportional to 39,992.36, 55,189.12 and 22,086.98

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Solution

The fourth proportional to 39,992.36, 55,189.12 and 22,086.98 is: 30,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.36 : 55,189.12 = 22,086.98 : x
  2. Step 2: Convert to fraction form
    39,992.36/55,189.12 = 22,086.98/x
  3. Step 3: Cross multiply
    39,992.36x = 55,189.12 × 22,086.98
  4. Step 4: Simplify right side
    39,992.36x = 1,218,961,302.72
  5. Step 5: Solve for x
    x = 1,218,961,302.72/39,992.36
  6. Step 6: Final answer
    x = 30,479.85

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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.