Home / 33,069.30-45,633.26-18,725

Finding the Fourth Proportional to 33,069.30, 45,633.26 and 18,725

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Solution

The fourth proportional to 33,069.30, 45,633.26 and 18,725 is: 25,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.30 : 45,633.26 = 18,725 : x
  2. Step 2: Convert to fraction form
    33,069.30/45,633.26 = 18,725/x
  3. Step 3: Cross multiply
    33,069.30x = 45,633.26 × 18,725
  4. Step 4: Simplify right side
    33,069.30x = 854,482,793.50
  5. Step 5: Solve for x
    x = 854,482,793.50/33,069.30
  6. Step 6: Final answer
    x = 25,839.16

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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.