Home / 33,719.19-46,533.83-19,378.78

Finding the Fourth Proportional to 33,719.19, 46,533.83 and 19,378.78

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Solution

The fourth proportional to 33,719.19, 46,533.83 and 19,378.78 is: 26,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,719.19 : 46,533.83 = 19,378.78 : x
  2. Step 2: Convert to fraction form
    33,719.19/46,533.83 = 19,378.78/x
  3. Step 3: Cross multiply
    33,719.19x = 46,533.83 × 19,378.78
  4. Step 4: Simplify right side
    33,719.19x = 901,768,640.90
  5. Step 5: Solve for x
    x = 901,768,640.90/33,719.19
  6. Step 6: Final answer
    x = 26,743.49

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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.