Home / 33,431.49-46,133.58-18,321.27

Finding the Fourth Proportional to 33,431.49, 46,133.58 and 18,321.27

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Solution

The fourth proportional to 33,431.49, 46,133.58 and 18,321.27 is: 25,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.49 : 46,133.58 = 18,321.27 : x
  2. Step 2: Convert to fraction form
    33,431.49/46,133.58 = 18,321.27/x
  3. Step 3: Cross multiply
    33,431.49x = 46,133.58 × 18,321.27
  4. Step 4: Simplify right side
    33,431.49x = 845,225,775.25
  5. Step 5: Solve for x
    x = 845,225,775.25/33,431.49
  6. Step 6: Final answer
    x = 25,282.32

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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.