Home / 53,771.54-80,653.26-21,752.65

Finding the Fourth Proportional to 53,771.54, 80,653.26 and 21,752.65

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Solution

The fourth proportional to 53,771.54, 80,653.26 and 21,752.65 is: 32,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,771.54 : 80,653.26 = 21,752.65 : x
  2. Step 2: Convert to fraction form
    53,771.54/80,653.26 = 21,752.65/x
  3. Step 3: Cross multiply
    53,771.54x = 80,653.26 × 21,752.65
  4. Step 4: Simplify right side
    53,771.54x = 1,754,422,136.14
  5. Step 5: Solve for x
    x = 1,754,422,136.14/53,771.54
  6. Step 6: Final answer
    x = 32,627.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.