Home / 36,096.90-49,811.94-20,988.78

Finding the Fourth Proportional to 36,096.90, 49,811.94 and 20,988.78

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Solution

The fourth proportional to 36,096.90, 49,811.94 and 20,988.78 is: 28,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,096.90 : 49,811.94 = 20,988.78 : x
  2. Step 2: Convert to fraction form
    36,096.90/49,811.94 = 20,988.78/x
  3. Step 3: Cross multiply
    36,096.90x = 49,811.94 × 20,988.78
  4. Step 4: Simplify right side
    36,096.90x = 1,045,491,850.03
  5. Step 5: Solve for x
    x = 1,045,491,850.03/36,096.90
  6. Step 6: Final answer
    x = 28,963.48

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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.