Home / 40,765.28-61,147.31-11,183.06

Finding the Fourth Proportional to 40,765.28, 61,147.31 and 11,183.06

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Solution

The fourth proportional to 40,765.28, 61,147.31 and 11,183.06 is: 16,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,765.28 : 61,147.31 = 11,183.06 : x
  2. Step 2: Convert to fraction form
    40,765.28/61,147.31 = 11,183.06/x
  3. Step 3: Cross multiply
    40,765.28x = 61,147.31 × 11,183.06
  4. Step 4: Simplify right side
    40,765.28x = 683,814,133.52
  5. Step 5: Solve for x
    x = 683,814,133.52/40,765.28
  6. Step 6: Final answer
    x = 16,774.43

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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.