Home / 43,759.20-65,563.20-20,337.60

Finding the Fourth Proportional to 43,759.20, 65,563.20 and 20,337.60

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Solution

The fourth proportional to 43,759.20, 65,563.20 and 20,337.60 is: 30,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,759.20 : 65,563.20 = 20,337.60 : x
  2. Step 2: Convert to fraction form
    43,759.20/65,563.20 = 20,337.60/x
  3. Step 3: Cross multiply
    43,759.20x = 65,563.20 × 20,337.60
  4. Step 4: Simplify right side
    43,759.20x = 1,333,398,136.32
  5. Step 5: Solve for x
    x = 1,333,398,136.32/43,759.20
  6. Step 6: Final answer
    x = 30,471.26

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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.