Home / 49,678.62-74,517.93-14,618.30

Finding the Fourth Proportional to 49,678.62, 74,517.93 and 14,618.30

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Solution

The fourth proportional to 49,678.62, 74,517.93 and 14,618.30 is: 21,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.62 : 74,517.93 = 14,618.30 : x
  2. Step 2: Convert to fraction form
    49,678.62/74,517.93 = 14,618.30/x
  3. Step 3: Cross multiply
    49,678.62x = 74,517.93 × 14,618.30
  4. Step 4: Simplify right side
    49,678.62x = 1,089,325,083.53
  5. Step 5: Solve for x
    x = 1,089,325,083.53/49,678.62
  6. Step 6: Final answer
    x = 21,927.44

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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.