Home / 33,246.99-45,854.82-21,311.43

Finding the Fourth Proportional to 33,246.99, 45,854.82 and 21,311.43

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Solution

The fourth proportional to 33,246.99, 45,854.82 and 21,311.43 is: 29,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,246.99 : 45,854.82 = 21,311.43 : x
  2. Step 2: Convert to fraction form
    33,246.99/45,854.82 = 21,311.43/x
  3. Step 3: Cross multiply
    33,246.99x = 45,854.82 × 21,311.43
  4. Step 4: Simplify right side
    33,246.99x = 977,231,786.59
  5. Step 5: Solve for x
    x = 977,231,786.59/33,246.99
  6. Step 6: Final answer
    x = 29,393.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.