Home / 39,992.64-55,190.16-22,087.94

Finding the Fourth Proportional to 39,992.64, 55,190.16 and 22,087.94

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Solution

The fourth proportional to 39,992.64, 55,190.16 and 22,087.94 is: 30,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.64 : 55,190.16 = 22,087.94 : x
  2. Step 2: Convert to fraction form
    39,992.64/55,190.16 = 22,087.94/x
  3. Step 3: Cross multiply
    39,992.64x = 55,190.16 × 22,087.94
  4. Step 4: Simplify right side
    39,992.64x = 1,219,036,977.16
  5. Step 5: Solve for x
    x = 1,219,036,977.16/39,992.64
  6. Step 6: Final answer
    x = 30,481.54

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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.