Home / 53,573.94-80,367.12-20,318.85

Finding the Fourth Proportional to 53,573.94, 80,367.12 and 20,318.85

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Solution

The fourth proportional to 53,573.94, 80,367.12 and 20,318.85 is: 30,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,573.94 : 80,367.12 = 20,318.85 : x
  2. Step 2: Convert to fraction form
    53,573.94/80,367.12 = 20,318.85/x
  3. Step 3: Cross multiply
    53,573.94x = 80,367.12 × 20,318.85
  4. Step 4: Simplify right side
    53,573.94x = 1,632,967,456.21
  5. Step 5: Solve for x
    x = 1,632,967,456.21/53,573.94
  6. Step 6: Final answer
    x = 30,480.63

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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.