Home / 33,082.44-45,657.69-18,939.84

Finding the Fourth Proportional to 33,082.44, 45,657.69 and 18,939.84

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Solution

The fourth proportional to 33,082.44, 45,657.69 and 18,939.84 is: 26,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,082.44 : 45,657.69 = 18,939.84 : x
  2. Step 2: Convert to fraction form
    33,082.44/45,657.69 = 18,939.84/x
  3. Step 3: Cross multiply
    33,082.44x = 45,657.69 × 18,939.84
  4. Step 4: Simplify right side
    33,082.44x = 864,749,343.37
  5. Step 5: Solve for x
    x = 864,749,343.37/33,082.44
  6. Step 6: Final answer
    x = 26,139.23

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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.