Home / 49,704.28-74,582.34-20,143.96

Finding the Fourth Proportional to 49,704.28, 74,582.34 and 20,143.96

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Solution

The fourth proportional to 49,704.28, 74,582.34 and 20,143.96 is: 30,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,704.28 : 74,582.34 = 20,143.96 : x
  2. Step 2: Convert to fraction form
    49,704.28/74,582.34 = 20,143.96/x
  3. Step 3: Cross multiply
    49,704.28x = 74,582.34 × 20,143.96
  4. Step 4: Simplify right side
    49,704.28x = 1,502,383,673.67
  5. Step 5: Solve for x
    x = 1,502,383,673.67/49,704.28
  6. Step 6: Final answer
    x = 30,226.44

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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.