Home / 33,265.11-45,910.31-21,166.79

Finding the Fourth Proportional to 33,265.11, 45,910.31 and 21,166.79

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Solution

The fourth proportional to 33,265.11, 45,910.31 and 21,166.79 is: 29,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,265.11 : 45,910.31 = 21,166.79 : x
  2. Step 2: Convert to fraction form
    33,265.11/45,910.31 = 21,166.79/x
  3. Step 3: Cross multiply
    33,265.11x = 45,910.31 × 21,166.79
  4. Step 4: Simplify right side
    33,265.11x = 971,773,555.22
  5. Step 5: Solve for x
    x = 971,773,555.22/33,265.11
  6. Step 6: Final answer
    x = 29,213.00

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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.