Home / 33,170.97-45,774.88-19,739.15

Finding the Fourth Proportional to 33,170.97, 45,774.88 and 19,739.15

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Solution

The fourth proportional to 33,170.97, 45,774.88 and 19,739.15 is: 27,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.97 : 45,774.88 = 19,739.15 : x
  2. Step 2: Convert to fraction form
    33,170.97/45,774.88 = 19,739.15/x
  3. Step 3: Cross multiply
    33,170.97x = 45,774.88 × 19,739.15
  4. Step 4: Simplify right side
    33,170.97x = 903,557,222.55
  5. Step 5: Solve for x
    x = 903,557,222.55/33,170.97
  6. Step 6: Final answer
    x = 27,239.40

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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.