Home / 33,218.54-45,840.99-18,111.86

Finding the Fourth Proportional to 33,218.54, 45,840.99 and 18,111.86

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Solution

The fourth proportional to 33,218.54, 45,840.99 and 18,111.86 is: 24,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.54 : 45,840.99 = 18,111.86 : x
  2. Step 2: Convert to fraction form
    33,218.54/45,840.99 = 18,111.86/x
  3. Step 3: Cross multiply
    33,218.54x = 45,840.99 × 18,111.86
  4. Step 4: Simplify right side
    33,218.54x = 830,265,593.14
  5. Step 5: Solve for x
    x = 830,265,593.14/33,218.54
  6. Step 6: Final answer
    x = 24,994.04

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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.