Home / 33,108.84-45,690.30-18,961.80

Finding the Fourth Proportional to 33,108.84, 45,690.30 and 18,961.80

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Solution

The fourth proportional to 33,108.84, 45,690.30 and 18,961.80 is: 26,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,108.84 : 45,690.30 = 18,961.80 : x
  2. Step 2: Convert to fraction form
    33,108.84/45,690.30 = 18,961.80/x
  3. Step 3: Cross multiply
    33,108.84x = 45,690.30 × 18,961.80
  4. Step 4: Simplify right side
    33,108.84x = 866,370,330.54
  5. Step 5: Solve for x
    x = 866,370,330.54/33,108.84
  6. Step 6: Final answer
    x = 26,167.34

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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.