Home / 49,564.36-74,288.94-18,379.72

Finding the Fourth Proportional to 49,564.36, 74,288.94 and 18,379.72

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Solution

The fourth proportional to 49,564.36, 74,288.94 and 18,379.72 is: 27,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,564.36 : 74,288.94 = 18,379.72 : x
  2. Step 2: Convert to fraction form
    49,564.36/74,288.94 = 18,379.72/x
  3. Step 3: Cross multiply
    49,564.36x = 74,288.94 × 18,379.72
  4. Step 4: Simplify right side
    49,564.36x = 1,365,409,916.30
  5. Step 5: Solve for x
    x = 1,365,409,916.30/49,564.36
  6. Step 6: Final answer
    x = 27,548.22

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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.