Home / 54,682.36-75,461.88-30,809.38

Finding the Fourth Proportional to 54,682.36, 75,461.88 and 30,809.38

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Solution

The fourth proportional to 54,682.36, 75,461.88 and 30,809.38 is: 42,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.36 : 75,461.88 = 30,809.38 : x
  2. Step 2: Convert to fraction form
    54,682.36/75,461.88 = 30,809.38/x
  3. Step 3: Cross multiply
    54,682.36x = 75,461.88 × 30,809.38
  4. Step 4: Simplify right side
    54,682.36x = 2,324,933,736.43
  5. Step 5: Solve for x
    x = 2,324,933,736.43/54,682.36
  6. Step 6: Final answer
    x = 42,517.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.