Home / 49,696.25-74,544.78-18,128.93

Finding the Fourth Proportional to 49,696.25, 74,544.78 and 18,128.93

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Solution

The fourth proportional to 49,696.25, 74,544.78 and 18,128.93 is: 27,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,696.25 : 74,544.78 = 18,128.93 : x
  2. Step 2: Convert to fraction form
    49,696.25/74,544.78 = 18,128.93/x
  3. Step 3: Cross multiply
    49,696.25x = 74,544.78 × 18,128.93
  4. Step 4: Simplify right side
    49,696.25x = 1,351,417,098.49
  5. Step 5: Solve for x
    x = 1,351,417,098.49/49,696.25
  6. Step 6: Final answer
    x = 27,193.54

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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.