Home / 49,511.70-74,286.98-21,790.26

Finding the Fourth Proportional to 49,511.70, 74,286.98 and 21,790.26

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Solution

The fourth proportional to 49,511.70, 74,286.98 and 21,790.26 is: 32,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.70 : 74,286.98 = 21,790.26 : x
  2. Step 2: Convert to fraction form
    49,511.70/74,286.98 = 21,790.26/x
  3. Step 3: Cross multiply
    49,511.70x = 74,286.98 × 21,790.26
  4. Step 4: Simplify right side
    49,511.70x = 1,618,732,608.81
  5. Step 5: Solve for x
    x = 1,618,732,608.81/49,511.70
  6. Step 6: Final answer
    x = 32,693.94

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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.