Home / 52,523.89-78,765.27-18,321.03

Finding the Fourth Proportional to 52,523.89, 78,765.27 and 18,321.03

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Solution

The fourth proportional to 52,523.89, 78,765.27 and 18,321.03 is: 27,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,523.89 : 78,765.27 = 18,321.03 : x
  2. Step 2: Convert to fraction form
    52,523.89/78,765.27 = 18,321.03/x
  3. Step 3: Cross multiply
    52,523.89x = 78,765.27 × 18,321.03
  4. Step 4: Simplify right side
    52,523.89x = 1,443,060,874.63
  5. Step 5: Solve for x
    x = 1,443,060,874.63/52,523.89
  6. Step 6: Final answer
    x = 27,474.37

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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.