Home / 33,556.78-46,290.13-20,805.66

Finding the Fourth Proportional to 33,556.78, 46,290.13 and 20,805.66

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Solution

The fourth proportional to 33,556.78, 46,290.13 and 20,805.66 is: 28,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,556.78 : 46,290.13 = 20,805.66 : x
  2. Step 2: Convert to fraction form
    33,556.78/46,290.13 = 20,805.66/x
  3. Step 3: Cross multiply
    33,556.78x = 46,290.13 × 20,805.66
  4. Step 4: Simplify right side
    33,556.78x = 963,096,771.15
  5. Step 5: Solve for x
    x = 963,096,771.15/33,556.78
  6. Step 6: Final answer
    x = 28,700.51

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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.