Home / 43,738.60-65,563.10-21,517.80

Finding the Fourth Proportional to 43,738.60, 65,563.10 and 21,517.80

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Solution

The fourth proportional to 43,738.60, 65,563.10 and 21,517.80 is: 32,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,738.60 : 65,563.10 = 21,517.80 : x
  2. Step 2: Convert to fraction form
    43,738.60/65,563.10 = 21,517.80/x
  3. Step 3: Cross multiply
    43,738.60x = 65,563.10 × 21,517.80
  4. Step 4: Simplify right side
    43,738.60x = 1,410,773,673.18
  5. Step 5: Solve for x
    x = 1,410,773,673.18/43,738.60
  6. Step 6: Final answer
    x = 32,254.66

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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.