Home / 39,456.38-59,198.41-20,471.89

Finding the Fourth Proportional to 39,456.38, 59,198.41 and 20,471.89

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Solution

The fourth proportional to 39,456.38, 59,198.41 and 20,471.89 is: 30,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,456.38 : 59,198.41 = 20,471.89 : x
  2. Step 2: Convert to fraction form
    39,456.38/59,198.41 = 20,471.89/x
  3. Step 3: Cross multiply
    39,456.38x = 59,198.41 × 20,471.89
  4. Step 4: Simplify right side
    39,456.38x = 1,211,903,189.70
  5. Step 5: Solve for x
    x = 1,211,903,189.70/39,456.38
  6. Step 6: Final answer
    x = 30,715.01

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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.