Home / 53,995.37-80,992.47-18,456.35

Finding the Fourth Proportional to 53,995.37, 80,992.47 and 18,456.35

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Solution

The fourth proportional to 53,995.37, 80,992.47 and 18,456.35 is: 27,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.37 : 80,992.47 = 18,456.35 : x
  2. Step 2: Convert to fraction form
    53,995.37/80,992.47 = 18,456.35/x
  3. Step 3: Cross multiply
    53,995.37x = 80,992.47 × 18,456.35
  4. Step 4: Simplify right side
    53,995.37x = 1,494,825,373.68
  5. Step 5: Solve for x
    x = 1,494,825,373.68/53,995.37
  6. Step 6: Final answer
    x = 27,684.33

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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.