Home / 53,932.12-80,923.26-20,641.21

Finding the Fourth Proportional to 53,932.12, 80,923.26 and 20,641.21

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Solution

The fourth proportional to 53,932.12, 80,923.26 and 20,641.21 is: 30,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,932.12 : 80,923.26 = 20,641.21 : x
  2. Step 2: Convert to fraction form
    53,932.12/80,923.26 = 20,641.21/x
  3. Step 3: Cross multiply
    53,932.12x = 80,923.26 × 20,641.21
  4. Step 4: Simplify right side
    53,932.12x = 1,670,354,003.54
  5. Step 5: Solve for x
    x = 1,670,354,003.54/53,932.12
  6. Step 6: Final answer
    x = 30,971.41

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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.