Home / 45,226.20-67,842.53-11,945.93

Finding the Fourth Proportional to 45,226.20, 67,842.53 and 11,945.93

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Solution

The fourth proportional to 45,226.20, 67,842.53 and 11,945.93 is: 17,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,226.20 : 67,842.53 = 11,945.93 : x
  2. Step 2: Convert to fraction form
    45,226.20/67,842.53 = 11,945.93/x
  3. Step 3: Cross multiply
    45,226.20x = 67,842.53 × 11,945.93
  4. Step 4: Simplify right side
    45,226.20x = 810,441,775.19
  5. Step 5: Solve for x
    x = 810,441,775.19/45,226.20
  6. Step 6: Final answer
    x = 17,919.74

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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.