Home / 54,649.11-81,973.53-17,212.32

Finding the Fourth Proportional to 54,649.11, 81,973.53 and 17,212.32

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Solution

The fourth proportional to 54,649.11, 81,973.53 and 17,212.32 is: 25,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,649.11 : 81,973.53 = 17,212.32 : x
  2. Step 2: Convert to fraction form
    54,649.11/81,973.53 = 17,212.32/x
  3. Step 3: Cross multiply
    54,649.11x = 81,973.53 × 17,212.32
  4. Step 4: Simplify right side
    54,649.11x = 1,410,954,629.89
  5. Step 5: Solve for x
    x = 1,410,954,629.89/54,649.11
  6. Step 6: Final answer
    x = 25,818.44

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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.