Home / 33,181.50-45,788.85-18,839.45

Finding the Fourth Proportional to 33,181.50, 45,788.85 and 18,839.45

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Solution

The fourth proportional to 33,181.50, 45,788.85 and 18,839.45 is: 25,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.50 : 45,788.85 = 18,839.45 : x
  2. Step 2: Convert to fraction form
    33,181.50/45,788.85 = 18,839.45/x
  3. Step 3: Cross multiply
    33,181.50x = 45,788.85 × 18,839.45
  4. Step 4: Simplify right side
    33,181.50x = 862,636,426.99
  5. Step 5: Solve for x
    x = 862,636,426.99/33,181.50
  6. Step 6: Final answer
    x = 25,997.52

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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.