Home / 33,825.09-46,680.29-20,400.69

Finding the Fourth Proportional to 33,825.09, 46,680.29 and 20,400.69

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Solution

The fourth proportional to 33,825.09, 46,680.29 and 20,400.69 is: 28,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,825.09 : 46,680.29 = 20,400.69 : x
  2. Step 2: Convert to fraction form
    33,825.09/46,680.29 = 20,400.69/x
  3. Step 3: Cross multiply
    33,825.09x = 46,680.29 × 20,400.69
  4. Step 4: Simplify right side
    33,825.09x = 952,310,125.40
  5. Step 5: Solve for x
    x = 952,310,125.40/33,825.09
  6. Step 6: Final answer
    x = 28,153.96

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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.