Home / 33,234.19-45,878.48-28,678.75

Finding the Fourth Proportional to 33,234.19, 45,878.48 and 28,678.75

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Solution

The fourth proportional to 33,234.19, 45,878.48 and 28,678.75 is: 39,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,234.19 : 45,878.48 = 28,678.75 : x
  2. Step 2: Convert to fraction form
    33,234.19/45,878.48 = 28,678.75/x
  3. Step 3: Cross multiply
    33,234.19x = 45,878.48 × 28,678.75
  4. Step 4: Simplify right side
    33,234.19x = 1,315,737,458.30
  5. Step 5: Solve for x
    x = 1,315,737,458.30/33,234.19
  6. Step 6: Final answer
    x = 39,589.88

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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.