Home / 33,218.30-45,842.28-18,111.44

Finding the Fourth Proportional to 33,218.30, 45,842.28 and 18,111.44

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Solution

The fourth proportional to 33,218.30, 45,842.28 and 18,111.44 is: 24,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.30 : 45,842.28 = 18,111.44 : x
  2. Step 2: Convert to fraction form
    33,218.30/45,842.28 = 18,111.44/x
  3. Step 3: Cross multiply
    33,218.30x = 45,842.28 × 18,111.44
  4. Step 4: Simplify right side
    33,218.30x = 830,269,703.68
  5. Step 5: Solve for x
    x = 830,269,703.68/33,218.30
  6. Step 6: Final answer
    x = 24,994.35

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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.