Home / 33,415.15-46,112.90-18,308.38

Finding the Fourth Proportional to 33,415.15, 46,112.90 and 18,308.38

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Solution

The fourth proportional to 33,415.15, 46,112.90 and 18,308.38 is: 25,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.15 : 46,112.90 = 18,308.38 : x
  2. Step 2: Convert to fraction form
    33,415.15/46,112.90 = 18,308.38/x
  3. Step 3: Cross multiply
    33,415.15x = 46,112.90 × 18,308.38
  4. Step 4: Simplify right side
    33,415.15x = 844,252,496.10
  5. Step 5: Solve for x
    x = 844,252,496.10/33,415.15
  6. Step 6: Final answer
    x = 25,265.56

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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.