Home / 33,218.42-45,842.30-20,480.03

Finding the Fourth Proportional to 33,218.42, 45,842.30 and 20,480.03

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Solution

The fourth proportional to 33,218.42, 45,842.30 and 20,480.03 is: 28,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.42 : 45,842.30 = 20,480.03 : x
  2. Step 2: Convert to fraction form
    33,218.42/45,842.30 = 20,480.03/x
  3. Step 3: Cross multiply
    33,218.42x = 45,842.30 × 20,480.03
  4. Step 4: Simplify right side
    33,218.42x = 938,851,501.26
  5. Step 5: Solve for x
    x = 938,851,501.26/33,218.42
  6. Step 6: Final answer
    x = 28,262.98

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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.