Home / 33,272.51-45,923.48-21,170.66

Finding the Fourth Proportional to 33,272.51, 45,923.48 and 21,170.66

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Solution

The fourth proportional to 33,272.51, 45,923.48 and 21,170.66 is: 29,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,272.51 : 45,923.48 = 21,170.66 : x
  2. Step 2: Convert to fraction form
    33,272.51/45,923.48 = 21,170.66/x
  3. Step 3: Cross multiply
    33,272.51x = 45,923.48 × 21,170.66
  4. Step 4: Simplify right side
    33,272.51x = 972,230,204.41
  5. Step 5: Solve for x
    x = 972,230,204.41/33,272.51
  6. Step 6: Final answer
    x = 29,220.22

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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.