Home / 49,708.09-74,562.14-18,120.52

Finding the Fourth Proportional to 49,708.09, 74,562.14 and 18,120.52

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Solution

The fourth proportional to 49,708.09, 74,562.14 and 18,120.52 is: 27,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,708.09 : 74,562.14 = 18,120.52 : x
  2. Step 2: Convert to fraction form
    49,708.09/74,562.14 = 18,120.52/x
  3. Step 3: Cross multiply
    49,708.09x = 74,562.14 × 18,120.52
  4. Step 4: Simplify right side
    49,708.09x = 1,351,104,749.11
  5. Step 5: Solve for x
    x = 1,351,104,749.11/49,708.09
  6. Step 6: Final answer
    x = 27,180.78

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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.