Home / 43,406.46-65,114.55-13,817.43

Finding the Fourth Proportional to 43,406.46, 65,114.55 and 13,817.43

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Solution

The fourth proportional to 43,406.46, 65,114.55 and 13,817.43 is: 20,727.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,406.46 : 65,114.55 = 13,817.43 : x
  2. Step 2: Convert to fraction form
    43,406.46/65,114.55 = 13,817.43/x
  3. Step 3: Cross multiply
    43,406.46x = 65,114.55 × 13,817.43
  4. Step 4: Simplify right side
    43,406.46x = 899,715,736.61
  5. Step 5: Solve for x
    x = 899,715,736.61/43,406.46
  6. Step 6: Final answer
    x = 20,727.69

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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.