Home / 33,326.40-45,990.60-18,218.84

Finding the Fourth Proportional to 33,326.40, 45,990.60 and 18,218.84

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Solution

The fourth proportional to 33,326.40, 45,990.60 and 18,218.84 is: 25,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.40 : 45,990.60 = 18,218.84 : x
  2. Step 2: Convert to fraction form
    33,326.40/45,990.60 = 18,218.84/x
  3. Step 3: Cross multiply
    33,326.40x = 45,990.60 × 18,218.84
  4. Step 4: Simplify right side
    33,326.40x = 837,895,382.90
  5. Step 5: Solve for x
    x = 837,895,382.90/33,326.40
  6. Step 6: Final answer
    x = 25,142.09

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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.