Home / 54,163.79-81,280.77-29,221.05

Finding the Fourth Proportional to 54,163.79, 81,280.77 and 29,221.05

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Solution

The fourth proportional to 54,163.79, 81,280.77 and 29,221.05 is: 43,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.79 : 81,280.77 = 29,221.05 : x
  2. Step 2: Convert to fraction form
    54,163.79/81,280.77 = 29,221.05/x
  3. Step 3: Cross multiply
    54,163.79x = 81,280.77 × 29,221.05
  4. Step 4: Simplify right side
    54,163.79x = 2,375,109,639.43
  5. Step 5: Solve for x
    x = 2,375,109,639.43/54,163.79
  6. Step 6: Final answer
    x = 43,850.51

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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.