Home / 33,238.36-45,869-18,131.04

Finding the Fourth Proportional to 33,238.36, 45,869 and 18,131.04

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Solution

The fourth proportional to 33,238.36, 45,869 and 18,131.04 is: 25,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.36 : 45,869 = 18,131.04 : x
  2. Step 2: Convert to fraction form
    33,238.36/45,869 = 18,131.04/x
  3. Step 3: Cross multiply
    33,238.36x = 45,869 × 18,131.04
  4. Step 4: Simplify right side
    33,238.36x = 831,652,673.76
  5. Step 5: Solve for x
    x = 831,652,673.76/33,238.36
  6. Step 6: Final answer
    x = 25,020.87

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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.