Home / 33,118.56-45,703.58-18,971.46

Finding the Fourth Proportional to 33,118.56, 45,703.58 and 18,971.46

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Solution

The fourth proportional to 33,118.56, 45,703.58 and 18,971.46 is: 26,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.56 : 45,703.58 = 18,971.46 : x
  2. Step 2: Convert to fraction form
    33,118.56/45,703.58 = 18,971.46/x
  3. Step 3: Cross multiply
    33,118.56x = 45,703.58 × 18,971.46
  4. Step 4: Simplify right side
    33,118.56x = 867,063,544.97
  5. Step 5: Solve for x
    x = 867,063,544.97/33,118.56
  6. Step 6: Final answer
    x = 26,180.59

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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.