Home / 55,201.91-82,804.23-20,141.57

Finding the Fourth Proportional to 55,201.91, 82,804.23 and 20,141.57

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Solution

The fourth proportional to 55,201.91, 82,804.23 and 20,141.57 is: 30,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.91 : 82,804.23 = 20,141.57 : x
  2. Step 2: Convert to fraction form
    55,201.91/82,804.23 = 20,141.57/x
  3. Step 3: Cross multiply
    55,201.91x = 82,804.23 × 20,141.57
  4. Step 4: Simplify right side
    55,201.91x = 1,667,806,780.82
  5. Step 5: Solve for x
    x = 1,667,806,780.82/55,201.91
  6. Step 6: Final answer
    x = 30,212.85

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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.