Home / 53,861.09-80,828.52-18,800.73

Finding the Fourth Proportional to 53,861.09, 80,828.52 and 18,800.73

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Solution

The fourth proportional to 53,861.09, 80,828.52 and 18,800.73 is: 28,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.09 : 80,828.52 = 18,800.73 : x
  2. Step 2: Convert to fraction form
    53,861.09/80,828.52 = 18,800.73/x
  3. Step 3: Cross multiply
    53,861.09x = 80,828.52 × 18,800.73
  4. Step 4: Simplify right side
    53,861.09x = 1,519,635,180.82
  5. Step 5: Solve for x
    x = 1,519,635,180.82/53,861.09
  6. Step 6: Final answer
    x = 28,213.97

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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.