Home / 33,165.12-45,755.33-21,226.53

Finding the Fourth Proportional to 33,165.12, 45,755.33 and 21,226.53

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Solution

The fourth proportional to 33,165.12, 45,755.33 and 21,226.53 is: 29,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.12 : 45,755.33 = 21,226.53 : x
  2. Step 2: Convert to fraction form
    33,165.12/45,755.33 = 21,226.53/x
  3. Step 3: Cross multiply
    33,165.12x = 45,755.33 × 21,226.53
  4. Step 4: Simplify right side
    33,165.12x = 971,226,778.77
  5. Step 5: Solve for x
    x = 971,226,778.77/33,165.12
  6. Step 6: Final answer
    x = 29,284.59

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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.