Home / 43,471.46-65,216.55-13,485.09

Finding the Fourth Proportional to 43,471.46, 65,216.55 and 13,485.09

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Solution

The fourth proportional to 43,471.46, 65,216.55 and 13,485.09 is: 20,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471.46 : 65,216.55 = 13,485.09 : x
  2. Step 2: Convert to fraction form
    43,471.46/65,216.55 = 13,485.09/x
  3. Step 3: Cross multiply
    43,471.46x = 65,216.55 × 13,485.09
  4. Step 4: Simplify right side
    43,471.46x = 879,451,046.24
  5. Step 5: Solve for x
    x = 879,451,046.24/43,471.46
  6. Step 6: Final answer
    x = 20,230.54

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1.5x scale

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.