Home / 53,493.08-80,182.71-20,198.97

Finding the Fourth Proportional to 53,493.08, 80,182.71 and 20,198.97

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Solution

The fourth proportional to 53,493.08, 80,182.71 and 20,198.97 is: 30,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,493.08 : 80,182.71 = 20,198.97 : x
  2. Step 2: Convert to fraction form
    53,493.08/80,182.71 = 20,198.97/x
  3. Step 3: Cross multiply
    53,493.08x = 80,182.71 × 20,198.97
  4. Step 4: Simplify right side
    53,493.08x = 1,619,608,153.81
  5. Step 5: Solve for x
    x = 1,619,608,153.81/53,493.08
  6. Step 6: Final answer
    x = 30,276.97

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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.