Home / 69,869.49-104,808.33-19,945.74

Finding the Fourth Proportional to 69,869.49, 104,808.33 and 19,945.74

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Solution

The fourth proportional to 69,869.49, 104,808.33 and 19,945.74 is: 29,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869.49 : 104,808.33 = 19,945.74 : x
  2. Step 2: Convert to fraction form
    69,869.49/104,808.33 = 19,945.74/x
  3. Step 3: Cross multiply
    69,869.49x = 104,808.33 × 19,945.74
  4. Step 4: Simplify right side
    69,869.49x = 2,090,480,093.05
  5. Step 5: Solve for x
    x = 2,090,480,093.05/69,869.49
  6. Step 6: Final answer
    x = 29,919.79

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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.