Home / 36,855.93-55,240.14-21,241.29

Finding the Fourth Proportional to 36,855.93, 55,240.14 and 21,241.29

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Solution

The fourth proportional to 36,855.93, 55,240.14 and 21,241.29 is: 31,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,855.93 : 55,240.14 = 21,241.29 : x
  2. Step 2: Convert to fraction form
    36,855.93/55,240.14 = 21,241.29/x
  3. Step 3: Cross multiply
    36,855.93x = 55,240.14 × 21,241.29
  4. Step 4: Simplify right side
    36,855.93x = 1,173,371,833.38
  5. Step 5: Solve for x
    x = 1,173,371,833.38/36,855.93
  6. Step 6: Final answer
    x = 31,836.72

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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.