Home / 29,190.20-43,719.62-20,464.07

Finding the Fourth Proportional to 29,190.20, 43,719.62 and 20,464.07

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Solution

The fourth proportional to 29,190.20, 43,719.62 and 20,464.07 is: 30,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.20 : 43,719.62 = 20,464.07 : x
  2. Step 2: Convert to fraction form
    29,190.20/43,719.62 = 20,464.07/x
  3. Step 3: Cross multiply
    29,190.20x = 43,719.62 × 20,464.07
  4. Step 4: Simplify right side
    29,190.20x = 894,681,043.13
  5. Step 5: Solve for x
    x = 894,681,043.13/29,190.20
  6. Step 6: Final answer
    x = 30,650.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.