Home / 36,818.37-50,811.38-21,719.88

Finding the Fourth Proportional to 36,818.37, 50,811.38 and 21,719.88

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Solution

The fourth proportional to 36,818.37, 50,811.38 and 21,719.88 is: 29,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818.37 : 50,811.38 = 21,719.88 : x
  2. Step 2: Convert to fraction form
    36,818.37/50,811.38 = 21,719.88/x
  3. Step 3: Cross multiply
    36,818.37x = 50,811.38 × 21,719.88
  4. Step 4: Simplify right side
    36,818.37x = 1,103,617,076.23
  5. Step 5: Solve for x
    x = 1,103,617,076.23/36,818.37
  6. Step 6: Final answer
    x = 29,974.63

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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.