Home / 45,297.06-67,950.99-21,906.69

Finding the Fourth Proportional to 45,297.06, 67,950.99 and 21,906.69

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Solution

The fourth proportional to 45,297.06, 67,950.99 and 21,906.69 is: 32,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,297.06 : 67,950.99 = 21,906.69 : x
  2. Step 2: Convert to fraction form
    45,297.06/67,950.99 = 21,906.69/x
  3. Step 3: Cross multiply
    45,297.06x = 67,950.99 × 21,906.69
  4. Step 4: Simplify right side
    45,297.06x = 1,488,581,163.59
  5. Step 5: Solve for x
    x = 1,488,581,163.59/45,297.06
  6. Step 6: Final answer
    x = 32,862.64

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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.