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Finding the Fourth Proportional to 36,719.01, 50,672.40 and 20,806.56

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Solution

The fourth proportional to 36,719.01, 50,672.40 and 20,806.56 is: 28,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719.01 : 50,672.40 = 20,806.56 : x
  2. Step 2: Convert to fraction form
    36,719.01/50,672.40 = 20,806.56/x
  3. Step 3: Cross multiply
    36,719.01x = 50,672.40 × 20,806.56
  4. Step 4: Simplify right side
    36,719.01x = 1,054,318,330.94
  5. Step 5: Solve for x
    x = 1,054,318,330.94/36,719.01
  6. Step 6: Final answer
    x = 28,713.15

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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.