Home / 36,035.94-49,729.59-20,120.39

Finding the Fourth Proportional to 36,035.94, 49,729.59 and 20,120.39

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Solution

The fourth proportional to 36,035.94, 49,729.59 and 20,120.39 is: 27,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,035.94 : 49,729.59 = 20,120.39 : x
  2. Step 2: Convert to fraction form
    36,035.94/49,729.59 = 20,120.39/x
  3. Step 3: Cross multiply
    36,035.94x = 49,729.59 × 20,120.39
  4. Step 4: Simplify right side
    36,035.94x = 1,000,578,745.34
  5. Step 5: Solve for x
    x = 1,000,578,745.34/36,035.94
  6. Step 6: Final answer
    x = 27,766.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.