Home / 36,072.45-49,777.62-20,967.57

Finding the Fourth Proportional to 36,072.45, 49,777.62 and 20,967.57

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Solution

The fourth proportional to 36,072.45, 49,777.62 and 20,967.57 is: 28,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.45 : 49,777.62 = 20,967.57 : x
  2. Step 2: Convert to fraction form
    36,072.45/49,777.62 = 20,967.57/x
  3. Step 3: Cross multiply
    36,072.45x = 49,777.62 × 20,967.57
  4. Step 4: Simplify right side
    36,072.45x = 1,043,715,731.78
  5. Step 5: Solve for x
    x = 1,043,715,731.78/36,072.45
  6. Step 6: Final answer
    x = 28,933.87

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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.