Home / 33,434.78-46,138.41-18,326.25

Finding the Fourth Proportional to 33,434.78, 46,138.41 and 18,326.25

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Solution

The fourth proportional to 33,434.78, 46,138.41 and 18,326.25 is: 25,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,434.78 : 46,138.41 = 18,326.25 : x
  2. Step 2: Convert to fraction form
    33,434.78/46,138.41 = 18,326.25/x
  3. Step 3: Cross multiply
    33,434.78x = 46,138.41 × 18,326.25
  4. Step 4: Simplify right side
    33,434.78x = 845,544,036.26
  5. Step 5: Solve for x
    x = 845,544,036.26/33,434.78
  6. Step 6: Final answer
    x = 25,289.36

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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.