Home / 55,194.34-82,803.72-20,133.88

Finding the Fourth Proportional to 55,194.34, 82,803.72 and 20,133.88

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Solution

The fourth proportional to 55,194.34, 82,803.72 and 20,133.88 is: 30,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,194.34 : 82,803.72 = 20,133.88 : x
  2. Step 2: Convert to fraction form
    55,194.34/82,803.72 = 20,133.88/x
  3. Step 3: Cross multiply
    55,194.34x = 82,803.72 × 20,133.88
  4. Step 4: Simplify right side
    55,194.34x = 1,667,160,162.03
  5. Step 5: Solve for x
    x = 1,667,160,162.03/55,194.34
  6. Step 6: Final answer
    x = 30,205.27

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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.