Home / 36,880.56-50,891.76-20,961.90

Finding the Fourth Proportional to 36,880.56, 50,891.76 and 20,961.90

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Solution

The fourth proportional to 36,880.56, 50,891.76 and 20,961.90 is: 28,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,880.56 : 50,891.76 = 20,961.90 : x
  2. Step 2: Convert to fraction form
    36,880.56/50,891.76 = 20,961.90/x
  3. Step 3: Cross multiply
    36,880.56x = 50,891.76 × 20,961.90
  4. Step 4: Simplify right side
    36,880.56x = 1,066,787,983.94
  5. Step 5: Solve for x
    x = 1,066,787,983.94/36,880.56
  6. Step 6: Final answer
    x = 28,925.48

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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.