Home / 54,236.05-81,212.58-43,648.23

Finding the Fourth Proportional to 54,236.05, 81,212.58 and 43,648.23

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Solution

The fourth proportional to 54,236.05, 81,212.58 and 43,648.23 is: 65,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,236.05 : 81,212.58 = 43,648.23 : x
  2. Step 2: Convert to fraction form
    54,236.05/81,212.58 = 43,648.23/x
  3. Step 3: Cross multiply
    54,236.05x = 81,212.58 × 43,648.23
  4. Step 4: Simplify right side
    54,236.05x = 3,544,785,370.73
  5. Step 5: Solve for x
    x = 3,544,785,370.73/54,236.05
  6. Step 6: Final answer
    x = 65,358.47

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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.