Home / 53,825.49-80,743.74-20,573.55

Finding the Fourth Proportional to 53,825.49, 80,743.74 and 20,573.55

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Solution

The fourth proportional to 53,825.49, 80,743.74 and 20,573.55 is: 30,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,825.49 : 80,743.74 = 20,573.55 : x
  2. Step 2: Convert to fraction form
    53,825.49/80,743.74 = 20,573.55/x
  3. Step 3: Cross multiply
    53,825.49x = 80,743.74 × 20,573.55
  4. Step 4: Simplify right side
    53,825.49x = 1,661,185,372.08
  5. Step 5: Solve for x
    x = 1,661,185,372.08/53,825.49
  6. Step 6: Final answer
    x = 30,862.43

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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.