Home / 64,771.23-97,160.31-20,401.44

Finding the Fourth Proportional to 64,771.23, 97,160.31 and 20,401.44

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Solution

The fourth proportional to 64,771.23, 97,160.31 and 20,401.44 is: 30,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,771.23 : 97,160.31 = 20,401.44 : x
  2. Step 2: Convert to fraction form
    64,771.23/97,160.31 = 20,401.44/x
  3. Step 3: Cross multiply
    64,771.23x = 97,160.31 × 20,401.44
  4. Step 4: Simplify right side
    64,771.23x = 1,982,210,234.85
  5. Step 5: Solve for x
    x = 1,982,210,234.85/64,771.23
  6. Step 6: Final answer
    x = 30,603.25

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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.