Home / 33,137.08-45,728.84-18,799.56

Finding the Fourth Proportional to 33,137.08, 45,728.84 and 18,799.56

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Solution

The fourth proportional to 33,137.08, 45,728.84 and 18,799.56 is: 25,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.08 : 45,728.84 = 18,799.56 : x
  2. Step 2: Convert to fraction form
    33,137.08/45,728.84 = 18,799.56/x
  3. Step 3: Cross multiply
    33,137.08x = 45,728.84 × 18,799.56
  4. Step 4: Simplify right side
    33,137.08x = 859,682,071.31
  5. Step 5: Solve for x
    x = 859,682,071.31/33,137.08
  6. Step 6: Final answer
    x = 25,943.21

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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.