Home / 33,189.21-45,801.09-18,285.21

Finding the Fourth Proportional to 33,189.21, 45,801.09 and 18,285.21

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Solution

The fourth proportional to 33,189.21, 45,801.09 and 18,285.21 is: 25,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,189.21 : 45,801.09 = 18,285.21 : x
  2. Step 2: Convert to fraction form
    33,189.21/45,801.09 = 18,285.21/x
  3. Step 3: Cross multiply
    33,189.21x = 45,801.09 × 18,285.21
  4. Step 4: Simplify right side
    33,189.21x = 837,482,548.88
  5. Step 5: Solve for x
    x = 837,482,548.88/33,189.21
  6. Step 6: Final answer
    x = 25,233.58

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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.