Home / 33,220.70-45,842.26-18,687.06

Finding the Fourth Proportional to 33,220.70, 45,842.26 and 18,687.06

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Solution

The fourth proportional to 33,220.70, 45,842.26 and 18,687.06 is: 25,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.70 : 45,842.26 = 18,687.06 : x
  2. Step 2: Convert to fraction form
    33,220.70/45,842.26 = 18,687.06/x
  3. Step 3: Cross multiply
    33,220.70x = 45,842.26 × 18,687.06
  4. Step 4: Simplify right side
    33,220.70x = 856,657,063.16
  5. Step 5: Solve for x
    x = 856,657,063.16/33,220.70
  6. Step 6: Final answer
    x = 25,786.85

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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.