Home / 35,982.98-53,974.48-12,609.42

Finding the Fourth Proportional to 35,982.98, 53,974.48 and 12,609.42

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Solution

The fourth proportional to 35,982.98, 53,974.48 and 12,609.42 is: 18,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.98 : 53,974.48 = 12,609.42 : x
  2. Step 2: Convert to fraction form
    35,982.98/53,974.48 = 12,609.42/x
  3. Step 3: Cross multiply
    35,982.98x = 53,974.48 × 12,609.42
  4. Step 4: Simplify right side
    35,982.98x = 680,586,945.46
  5. Step 5: Solve for x
    x = 680,586,945.46/35,982.98
  6. Step 6: Final answer
    x = 18,914.13

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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.