Home / 43,183.28-64,777.24-13,603.43

Finding the Fourth Proportional to 43,183.28, 64,777.24 and 13,603.43

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Solution

The fourth proportional to 43,183.28, 64,777.24 and 13,603.43 is: 20,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.28 : 64,777.24 = 13,603.43 : x
  2. Step 2: Convert to fraction form
    43,183.28/64,777.24 = 13,603.43/x
  3. Step 3: Cross multiply
    43,183.28x = 64,777.24 × 13,603.43
  4. Step 4: Simplify right side
    43,183.28x = 881,192,387.99
  5. Step 5: Solve for x
    x = 881,192,387.99/43,183.28
  6. Step 6: Final answer
    x = 20,405.87

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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.