Home / 49,581.42-74,414.64-20,020.48

Finding the Fourth Proportional to 49,581.42, 74,414.64 and 20,020.48

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Solution

The fourth proportional to 49,581.42, 74,414.64 and 20,020.48 is: 30,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,581.42 : 74,414.64 = 20,020.48 : x
  2. Step 2: Convert to fraction form
    49,581.42/74,414.64 = 20,020.48/x
  3. Step 3: Cross multiply
    49,581.42x = 74,414.64 × 20,020.48
  4. Step 4: Simplify right side
    49,581.42x = 1,489,816,811.83
  5. Step 5: Solve for x
    x = 1,489,816,811.83/49,581.42
  6. Step 6: Final answer
    x = 30,047.89

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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.