Home / 45,019.62-67,529.46-11,739.60

Finding the Fourth Proportional to 45,019.62, 67,529.46 and 11,739.60

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Solution

The fourth proportional to 45,019.62, 67,529.46 and 11,739.60 is: 17,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019.62 : 67,529.46 = 11,739.60 : x
  2. Step 2: Convert to fraction form
    45,019.62/67,529.46 = 11,739.60/x
  3. Step 3: Cross multiply
    45,019.62x = 67,529.46 × 11,739.60
  4. Step 4: Simplify right side
    45,019.62x = 792,768,848.62
  5. Step 5: Solve for x
    x = 792,768,848.62/45,019.62
  6. Step 6: Final answer
    x = 17,609.41

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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.