Home / 53,849.86-80,769.03-18,790.18

Finding the Fourth Proportional to 53,849.86, 80,769.03 and 18,790.18

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Solution

The fourth proportional to 53,849.86, 80,769.03 and 18,790.18 is: 28,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,849.86 : 80,769.03 = 18,790.18 : x
  2. Step 2: Convert to fraction form
    53,849.86/80,769.03 = 18,790.18/x
  3. Step 3: Cross multiply
    53,849.86x = 80,769.03 × 18,790.18
  4. Step 4: Simplify right side
    53,849.86x = 1,517,664,612.13
  5. Step 5: Solve for x
    x = 1,517,664,612.13/53,849.86
  6. Step 6: Final answer
    x = 28,183.26

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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.