Home / 53,583.18-80,286.21-18,503.34

Finding the Fourth Proportional to 53,583.18, 80,286.21 and 18,503.34

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Solution

The fourth proportional to 53,583.18, 80,286.21 and 18,503.34 is: 27,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,583.18 : 80,286.21 = 18,503.34 : x
  2. Step 2: Convert to fraction form
    53,583.18/80,286.21 = 18,503.34/x
  3. Step 3: Cross multiply
    53,583.18x = 80,286.21 × 18,503.34
  4. Step 4: Simplify right side
    53,583.18x = 1,485,563,040.94
  5. Step 5: Solve for x
    x = 1,485,563,040.94/53,583.18
  6. Step 6: Final answer
    x = 27,724.43

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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.