Home / 33,987.78-46,907.55-21,245.07

Finding the Fourth Proportional to 33,987.78, 46,907.55 and 21,245.07

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Solution

The fourth proportional to 33,987.78, 46,907.55 and 21,245.07 is: 29,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,987.78 : 46,907.55 = 21,245.07 : x
  2. Step 2: Convert to fraction form
    33,987.78/46,907.55 = 21,245.07/x
  3. Step 3: Cross multiply
    33,987.78x = 46,907.55 × 21,245.07
  4. Step 4: Simplify right side
    33,987.78x = 996,554,183.28
  5. Step 5: Solve for x
    x = 996,554,183.28/33,987.78
  6. Step 6: Final answer
    x = 29,320.96

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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.