Home / 36,686.18-55,028.91-11,725.94

Finding the Fourth Proportional to 36,686.18, 55,028.91 and 11,725.94

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Solution

The fourth proportional to 36,686.18, 55,028.91 and 11,725.94 is: 17,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.18 : 55,028.91 = 11,725.94 : x
  2. Step 2: Convert to fraction form
    36,686.18/55,028.91 = 11,725.94/x
  3. Step 3: Cross multiply
    36,686.18x = 55,028.91 × 11,725.94
  4. Step 4: Simplify right side
    36,686.18x = 645,265,696.93
  5. Step 5: Solve for x
    x = 645,265,696.93/36,686.18
  6. Step 6: Final answer
    x = 17,588.79

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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.