Home / 36,119.76-49,847.72-20,205.69

Finding the Fourth Proportional to 36,119.76, 49,847.72 and 20,205.69

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Solution

The fourth proportional to 36,119.76, 49,847.72 and 20,205.69 is: 27,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,119.76 : 49,847.72 = 20,205.69 : x
  2. Step 2: Convert to fraction form
    36,119.76/49,847.72 = 20,205.69/x
  3. Step 3: Cross multiply
    36,119.76x = 49,847.72 × 20,205.69
  4. Step 4: Simplify right side
    36,119.76x = 1,007,207,476.50
  5. Step 5: Solve for x
    x = 1,007,207,476.50/36,119.76
  6. Step 6: Final answer
    x = 27,885.22

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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.