Home / 49,640.41-74,460.47-20,057.90

Finding the Fourth Proportional to 49,640.41, 74,460.47 and 20,057.90

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Solution

The fourth proportional to 49,640.41, 74,460.47 and 20,057.90 is: 30,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.41 : 74,460.47 = 20,057.90 : x
  2. Step 2: Convert to fraction form
    49,640.41/74,460.47 = 20,057.90/x
  3. Step 3: Cross multiply
    49,640.41x = 74,460.47 × 20,057.90
  4. Step 4: Simplify right side
    49,640.41x = 1,493,520,661.21
  5. Step 5: Solve for x
    x = 1,493,520,661.21/49,640.41
  6. Step 6: Final answer
    x = 30,086.79

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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.