Home / 54,232.88-81,334.74-19,163.12

Finding the Fourth Proportional to 54,232.88, 81,334.74 and 19,163.12

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Solution

The fourth proportional to 54,232.88, 81,334.74 and 19,163.12 is: 28,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,232.88 : 81,334.74 = 19,163.12 : x
  2. Step 2: Convert to fraction form
    54,232.88/81,334.74 = 19,163.12/x
  3. Step 3: Cross multiply
    54,232.88x = 81,334.74 × 19,163.12
  4. Step 4: Simplify right side
    54,232.88x = 1,558,627,382.79
  5. Step 5: Solve for x
    x = 1,558,627,382.79/54,232.88
  6. Step 6: Final answer
    x = 28,739.53

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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.