Home / 43,768.20-65,609.10-21,563.40

Finding the Fourth Proportional to 43,768.20, 65,609.10 and 21,563.40

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Solution

The fourth proportional to 43,768.20, 65,609.10 and 21,563.40 is: 32,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.20 : 65,609.10 = 21,563.40 : x
  2. Step 2: Convert to fraction form
    43,768.20/65,609.10 = 21,563.40/x
  3. Step 3: Cross multiply
    43,768.20x = 65,609.10 × 21,563.40
  4. Step 4: Simplify right side
    43,768.20x = 1,414,755,266.94
  5. Step 5: Solve for x
    x = 1,414,755,266.94/43,768.20
  6. Step 6: Final answer
    x = 32,323.82

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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.