Home / 54,233.71-81,361.97-18,698.33

Finding the Fourth Proportional to 54,233.71, 81,361.97 and 18,698.33

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Solution

The fourth proportional to 54,233.71, 81,361.97 and 18,698.33 is: 28,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,233.71 : 81,361.97 = 18,698.33 : x
  2. Step 2: Convert to fraction form
    54,233.71/81,361.97 = 18,698.33/x
  3. Step 3: Cross multiply
    54,233.71x = 81,361.97 × 18,698.33
  4. Step 4: Simplify right side
    54,233.71x = 1,521,332,964.51
  5. Step 5: Solve for x
    x = 1,521,332,964.51/54,233.71
  6. Step 6: Final answer
    x = 28,051.43

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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.