Home / 69,868.09-104,770.23-19,936

Finding the Fourth Proportional to 69,868.09, 104,770.23 and 19,936

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Solution

The fourth proportional to 69,868.09, 104,770.23 and 19,936 is: 29,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,868.09 : 104,770.23 = 19,936 : x
  2. Step 2: Convert to fraction form
    69,868.09/104,770.23 = 19,936/x
  3. Step 3: Cross multiply
    69,868.09x = 104,770.23 × 19,936
  4. Step 4: Simplify right side
    69,868.09x = 2,088,699,305.28
  5. Step 5: Solve for x
    x = 2,088,699,305.28/69,868.09
  6. Step 6: Final answer
    x = 29,894.90

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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.