Home / 39,674.07-54,747.09-21,769.02

Finding the Fourth Proportional to 39,674.07, 54,747.09 and 21,769.02

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Solution

The fourth proportional to 39,674.07, 54,747.09 and 21,769.02 is: 30,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674.07 : 54,747.09 = 21,769.02 : x
  2. Step 2: Convert to fraction form
    39,674.07/54,747.09 = 21,769.02/x
  3. Step 3: Cross multiply
    39,674.07x = 54,747.09 × 21,769.02
  4. Step 4: Simplify right side
    39,674.07x = 1,191,790,497.15
  5. Step 5: Solve for x
    x = 1,191,790,497.15/39,674.07
  6. Step 6: Final answer
    x = 30,039.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.