Home / 33,420.80-46,121.16-18,313.16

Finding the Fourth Proportional to 33,420.80, 46,121.16 and 18,313.16

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Solution

The fourth proportional to 33,420.80, 46,121.16 and 18,313.16 is: 25,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.80 : 46,121.16 = 18,313.16 : x
  2. Step 2: Convert to fraction form
    33,420.80/46,121.16 = 18,313.16/x
  3. Step 3: Cross multiply
    33,420.80x = 46,121.16 × 18,313.16
  4. Step 4: Simplify right side
    33,420.80x = 844,624,182.47
  5. Step 5: Solve for x
    x = 844,624,182.47/33,420.80
  6. Step 6: Final answer
    x = 25,272.41

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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.