Home / 49,546.11-74,341.17-20,021.61

Finding the Fourth Proportional to 49,546.11, 74,341.17 and 20,021.61

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Solution

The fourth proportional to 49,546.11, 74,341.17 and 20,021.61 is: 30,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,546.11 : 74,341.17 = 20,021.61 : x
  2. Step 2: Convert to fraction form
    49,546.11/74,341.17 = 20,021.61/x
  3. Step 3: Cross multiply
    49,546.11x = 74,341.17 × 20,021.61
  4. Step 4: Simplify right side
    49,546.11x = 1,488,429,912.68
  5. Step 5: Solve for x
    x = 1,488,429,912.68/49,546.11
  6. Step 6: Final answer
    x = 30,041.31

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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.