Home / 49,629.60-74,418.80-18,448.80

Finding the Fourth Proportional to 49,629.60, 74,418.80 and 18,448.80

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Solution

The fourth proportional to 49,629.60, 74,418.80 and 18,448.80 is: 27,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,629.60 : 74,418.80 = 18,448.80 : x
  2. Step 2: Convert to fraction form
    49,629.60/74,418.80 = 18,448.80/x
  3. Step 3: Cross multiply
    49,629.60x = 74,418.80 × 18,448.80
  4. Step 4: Simplify right side
    49,629.60x = 1,372,937,557.44
  5. Step 5: Solve for x
    x = 1,372,937,557.44/49,629.60
  6. Step 6: Final answer
    x = 27,663.68

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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.