Home / 36,687.82-55,039.62-11,386.81

Finding the Fourth Proportional to 36,687.82, 55,039.62 and 11,386.81

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Solution

The fourth proportional to 36,687.82, 55,039.62 and 11,386.81 is: 17,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.82 : 55,039.62 = 11,386.81 : x
  2. Step 2: Convert to fraction form
    36,687.82/55,039.62 = 11,386.81/x
  3. Step 3: Cross multiply
    36,687.82x = 55,039.62 × 11,386.81
  4. Step 4: Simplify right side
    36,687.82x = 626,725,695.41
  5. Step 5: Solve for x
    x = 626,725,695.41/36,687.82
  6. Step 6: Final answer
    x = 17,082.66

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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.