Home / 33,181.80-45,790.38-18,277.80

Finding the Fourth Proportional to 33,181.80, 45,790.38 and 18,277.80

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Solution

The fourth proportional to 33,181.80, 45,790.38 and 18,277.80 is: 25,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.80 : 45,790.38 = 18,277.80 : x
  2. Step 2: Convert to fraction form
    33,181.80/45,790.38 = 18,277.80/x
  3. Step 3: Cross multiply
    33,181.80x = 45,790.38 × 18,277.80
  4. Step 4: Simplify right side
    33,181.80x = 836,947,407.56
  5. Step 5: Solve for x
    x = 836,947,407.56/33,181.80
  6. Step 6: Final answer
    x = 25,223.09

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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.