Home / 33,170.18-45,771.83-19,739.26

Finding the Fourth Proportional to 33,170.18, 45,771.83 and 19,739.26

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Solution

The fourth proportional to 33,170.18, 45,771.83 and 19,739.26 is: 27,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.18 : 45,771.83 = 19,739.26 : x
  2. Step 2: Convert to fraction form
    33,170.18/45,771.83 = 19,739.26/x
  3. Step 3: Cross multiply
    33,170.18x = 45,771.83 × 19,739.26
  4. Step 4: Simplify right side
    33,170.18x = 903,502,196.62
  5. Step 5: Solve for x
    x = 903,502,196.62/33,170.18
  6. Step 6: Final answer
    x = 27,238.39

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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.