Home / 20,047.52-30,072.10-6,007.80

Finding the Fourth Proportional to 20,047.52, 30,072.10 and 6,007.80

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Solution

The fourth proportional to 20,047.52, 30,072.10 and 6,007.80 is: 9,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.52 : 30,072.10 = 6,007.80 : x
  2. Step 2: Convert to fraction form
    20,047.52/30,072.10 = 6,007.80/x
  3. Step 3: Cross multiply
    20,047.52x = 30,072.10 × 6,007.80
  4. Step 4: Simplify right side
    20,047.52x = 180,667,162.38
  5. Step 5: Solve for x
    x = 180,667,162.38/20,047.52
  6. Step 6: Final answer
    x = 9,011.95

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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.