Home / 33,458.78-46,171.32-19,310.78

Finding the Fourth Proportional to 33,458.78, 46,171.32 and 19,310.78

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Solution

The fourth proportional to 33,458.78, 46,171.32 and 19,310.78 is: 26,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,458.78 : 46,171.32 = 19,310.78 : x
  2. Step 2: Convert to fraction form
    33,458.78/46,171.32 = 19,310.78/x
  3. Step 3: Cross multiply
    33,458.78x = 46,171.32 × 19,310.78
  4. Step 4: Simplify right side
    33,458.78x = 891,604,202.83
  5. Step 5: Solve for x
    x = 891,604,202.83/33,458.78
  6. Step 6: Final answer
    x = 26,647.84

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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.