Home / 38,604.14-53,269.23-21,609.33

Finding the Fourth Proportional to 38,604.14, 53,269.23 and 21,609.33

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Solution

The fourth proportional to 38,604.14, 53,269.23 and 21,609.33 is: 29,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604.14 : 53,269.23 = 21,609.33 : x
  2. Step 2: Convert to fraction form
    38,604.14/53,269.23 = 21,609.33/x
  3. Step 3: Cross multiply
    38,604.14x = 53,269.23 × 21,609.33
  4. Step 4: Simplify right side
    38,604.14x = 1,151,112,369.92
  5. Step 5: Solve for x
    x = 1,151,112,369.92/38,604.14
  6. Step 6: Final answer
    x = 29,818.37

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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.