Home / 33,485.87-46,210.46-18,378.56

Finding the Fourth Proportional to 33,485.87, 46,210.46 and 18,378.56

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Solution

The fourth proportional to 33,485.87, 46,210.46 and 18,378.56 is: 25,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,485.87 : 46,210.46 = 18,378.56 : x
  2. Step 2: Convert to fraction form
    33,485.87/46,210.46 = 18,378.56/x
  3. Step 3: Cross multiply
    33,485.87x = 46,210.46 × 18,378.56
  4. Step 4: Simplify right side
    33,485.87x = 849,281,735.37
  5. Step 5: Solve for x
    x = 849,281,735.37/33,485.87
  6. Step 6: Final answer
    x = 25,362.39

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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.