Home / 53,589.90-80,396.37-18,054.75

Finding the Fourth Proportional to 53,589.90, 80,396.37 and 18,054.75

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Solution

The fourth proportional to 53,589.90, 80,396.37 and 18,054.75 is: 27,086.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,589.90 : 80,396.37 = 18,054.75 : x
  2. Step 2: Convert to fraction form
    53,589.90/80,396.37 = 18,054.75/x
  3. Step 3: Cross multiply
    53,589.90x = 80,396.37 × 18,054.75
  4. Step 4: Simplify right side
    53,589.90x = 1,451,536,361.26
  5. Step 5: Solve for x
    x = 1,451,536,361.26/53,589.90
  6. Step 6: Final answer
    x = 27,086.01

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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.