Home / 36,673.38-55,021.04-21,080.07

Finding the Fourth Proportional to 36,673.38, 55,021.04 and 21,080.07

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Solution

The fourth proportional to 36,673.38, 55,021.04 and 21,080.07 is: 31,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,673.38 : 55,021.04 = 21,080.07 : x
  2. Step 2: Convert to fraction form
    36,673.38/55,021.04 = 21,080.07/x
  3. Step 3: Cross multiply
    36,673.38x = 55,021.04 × 21,080.07
  4. Step 4: Simplify right side
    36,673.38x = 1,159,847,269.27
  5. Step 5: Solve for x
    x = 1,159,847,269.27/36,673.38
  6. Step 6: Final answer
    x = 31,626.41

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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.