Home / 33,827.36-46,662.48-19,678.56

Finding the Fourth Proportional to 33,827.36, 46,662.48 and 19,678.56

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Solution

The fourth proportional to 33,827.36, 46,662.48 and 19,678.56 is: 27,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,827.36 : 46,662.48 = 19,678.56 : x
  2. Step 2: Convert to fraction form
    33,827.36/46,662.48 = 19,678.56/x
  3. Step 3: Cross multiply
    33,827.36x = 46,662.48 × 19,678.56
  4. Step 4: Simplify right side
    33,827.36x = 918,250,412.43
  5. Step 5: Solve for x
    x = 918,250,412.43/33,827.36
  6. Step 6: Final answer
    x = 27,145.20

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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.