Home / 53,866.27-80,818.85-18,811.09

Finding the Fourth Proportional to 53,866.27, 80,818.85 and 18,811.09

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Solution

The fourth proportional to 53,866.27, 80,818.85 and 18,811.09 is: 28,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,866.27 : 80,818.85 = 18,811.09 : x
  2. Step 2: Convert to fraction form
    53,866.27/80,818.85 = 18,811.09/x
  3. Step 3: Cross multiply
    53,866.27x = 80,818.85 × 18,811.09
  4. Step 4: Simplify right side
    53,866.27x = 1,520,290,661.05
  5. Step 5: Solve for x
    x = 1,520,290,661.05/53,866.27
  6. Step 6: Final answer
    x = 28,223.43

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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.