Home / 33,171.48-45,775.57-19,739.65

Finding the Fourth Proportional to 33,171.48, 45,775.57 and 19,739.65

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Solution

The fourth proportional to 33,171.48, 45,775.57 and 19,739.65 is: 27,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,171.48 : 45,775.57 = 19,739.65 : x
  2. Step 2: Convert to fraction form
    33,171.48/45,775.57 = 19,739.65/x
  3. Step 3: Cross multiply
    33,171.48x = 45,775.57 × 19,739.65
  4. Step 4: Simplify right side
    33,171.48x = 903,593,730.35
  5. Step 5: Solve for x
    x = 903,593,730.35/33,171.48
  6. Step 6: Final answer
    x = 27,240.08

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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.