Home / 45,843.36-63,228.72-39,481.08

Finding the Fourth Proportional to 45,843.36, 63,228.72 and 39,481.08

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Solution

The fourth proportional to 45,843.36, 63,228.72 and 39,481.08 is: 54,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.36 : 63,228.72 = 39,481.08 : x
  2. Step 2: Convert to fraction form
    45,843.36/63,228.72 = 39,481.08/x
  3. Step 3: Cross multiply
    45,843.36x = 63,228.72 × 39,481.08
  4. Step 4: Simplify right side
    45,843.36x = 2,496,338,152.62
  5. Step 5: Solve for x
    x = 2,496,338,152.62/45,843.36
  6. Step 6: Final answer
    x = 54,453.65

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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.