Home / 49,770.96-74,647.80-18,599.76

Finding the Fourth Proportional to 49,770.96, 74,647.80 and 18,599.76

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Solution

The fourth proportional to 49,770.96, 74,647.80 and 18,599.76 is: 27,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,770.96 : 74,647.80 = 18,599.76 : x
  2. Step 2: Convert to fraction form
    49,770.96/74,647.80 = 18,599.76/x
  3. Step 3: Cross multiply
    49,770.96x = 74,647.80 × 18,599.76
  4. Step 4: Simplify right side
    49,770.96x = 1,388,431,164.53
  5. Step 5: Solve for x
    x = 1,388,431,164.53/49,770.96
  6. Step 6: Final answer
    x = 27,896.41

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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.