Home / 36,126.68-49,855.03-20,211.12

Finding the Fourth Proportional to 36,126.68, 49,855.03 and 20,211.12

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Solution

The fourth proportional to 36,126.68, 49,855.03 and 20,211.12 is: 27,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,126.68 : 49,855.03 = 20,211.12 : x
  2. Step 2: Convert to fraction form
    36,126.68/49,855.03 = 20,211.12/x
  3. Step 3: Cross multiply
    36,126.68x = 49,855.03 × 20,211.12
  4. Step 4: Simplify right side
    36,126.68x = 1,007,625,943.41
  5. Step 5: Solve for x
    x = 1,007,625,943.41/36,126.68
  6. Step 6: Final answer
    x = 27,891.47

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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.