Home / 45,183.99-67,794.60-19,870.50

Finding the Fourth Proportional to 45,183.99, 67,794.60 and 19,870.50

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Solution

The fourth proportional to 45,183.99, 67,794.60 and 19,870.50 is: 29,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,183.99 : 67,794.60 = 19,870.50 : x
  2. Step 2: Convert to fraction form
    45,183.99/67,794.60 = 19,870.50/x
  3. Step 3: Cross multiply
    45,183.99x = 67,794.60 × 19,870.50
  4. Step 4: Simplify right side
    45,183.99x = 1,347,112,546.70
  5. Step 5: Solve for x
    x = 1,347,112,546.70/45,183.99
  6. Step 6: Final answer
    x = 29,813.93

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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.