Home / 55,201.54-82,729.39-20,107.48

Finding the Fourth Proportional to 55,201.54, 82,729.39 and 20,107.48

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Solution

The fourth proportional to 55,201.54, 82,729.39 and 20,107.48 is: 30,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.54 : 82,729.39 = 20,107.48 : x
  2. Step 2: Convert to fraction form
    55,201.54/82,729.39 = 20,107.48/x
  3. Step 3: Cross multiply
    55,201.54x = 82,729.39 × 20,107.48
  4. Step 4: Simplify right side
    55,201.54x = 1,663,479,554.84
  5. Step 5: Solve for x
    x = 1,663,479,554.84/55,201.54
  6. Step 6: Final answer
    x = 30,134.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.