Home / 43,600.28-65,380.97-12,428.24

Finding the Fourth Proportional to 43,600.28, 65,380.97 and 12,428.24

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Solution

The fourth proportional to 43,600.28, 65,380.97 and 12,428.24 is: 18,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,600.28 : 65,380.97 = 12,428.24 : x
  2. Step 2: Convert to fraction form
    43,600.28/65,380.97 = 12,428.24/x
  3. Step 3: Cross multiply
    43,600.28x = 65,380.97 × 12,428.24
  4. Step 4: Simplify right side
    43,600.28x = 812,570,090.76
  5. Step 5: Solve for x
    x = 812,570,090.76/43,600.28
  6. Step 6: Final answer
    x = 18,636.81

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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.