Home / 33,930.63-46,812.96-20,496.78

Finding the Fourth Proportional to 33,930.63, 46,812.96 and 20,496.78

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Solution

The fourth proportional to 33,930.63, 46,812.96 and 20,496.78 is: 28,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,930.63 : 46,812.96 = 20,496.78 : x
  2. Step 2: Convert to fraction form
    33,930.63/46,812.96 = 20,496.78/x
  3. Step 3: Cross multiply
    33,930.63x = 46,812.96 × 20,496.78
  4. Step 4: Simplify right side
    33,930.63x = 959,514,942.27
  5. Step 5: Solve for x
    x = 959,514,942.27/33,930.63
  6. Step 6: Final answer
    x = 28,278.72

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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.