Home / 36,684.83-55,020.03-11,718.15

Finding the Fourth Proportional to 36,684.83, 55,020.03 and 11,718.15

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Solution

The fourth proportional to 36,684.83, 55,020.03 and 11,718.15 is: 17,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,684.83 : 55,020.03 = 11,718.15 : x
  2. Step 2: Convert to fraction form
    36,684.83/55,020.03 = 11,718.15/x
  3. Step 3: Cross multiply
    36,684.83x = 55,020.03 × 11,718.15
  4. Step 4: Simplify right side
    36,684.83x = 644,732,993.84
  5. Step 5: Solve for x
    x = 644,732,993.84/36,684.83
  6. Step 6: Final answer
    x = 17,574.92

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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.