Home / 33,868.16-46,738.72-20,270.20

Finding the Fourth Proportional to 33,868.16, 46,738.72 and 20,270.20

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Solution

The fourth proportional to 33,868.16, 46,738.72 and 20,270.20 is: 27,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,868.16 : 46,738.72 = 20,270.20 : x
  2. Step 2: Convert to fraction form
    33,868.16/46,738.72 = 20,270.20/x
  3. Step 3: Cross multiply
    33,868.16x = 46,738.72 × 20,270.20
  4. Step 4: Simplify right side
    33,868.16x = 947,403,202.14
  5. Step 5: Solve for x
    x = 947,403,202.14/33,868.16
  6. Step 6: Final answer
    x = 27,973.27

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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.