Home / 54,163.42-81,247.30-16,720.18

Finding the Fourth Proportional to 54,163.42, 81,247.30 and 16,720.18

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Solution

The fourth proportional to 54,163.42, 81,247.30 and 16,720.18 is: 25,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.42 : 81,247.30 = 16,720.18 : x
  2. Step 2: Convert to fraction form
    54,163.42/81,247.30 = 16,720.18/x
  3. Step 3: Cross multiply
    54,163.42x = 81,247.30 × 16,720.18
  4. Step 4: Simplify right side
    54,163.42x = 1,358,469,480.51
  5. Step 5: Solve for x
    x = 1,358,469,480.51/54,163.42
  6. Step 6: Final answer
    x = 25,080.94

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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.