Home / 33,310.61-45,967.28-18,203.80

Finding the Fourth Proportional to 33,310.61, 45,967.28 and 18,203.80

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Solution

The fourth proportional to 33,310.61, 45,967.28 and 18,203.80 is: 25,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.61 : 45,967.28 = 18,203.80 : x
  2. Step 2: Convert to fraction form
    33,310.61/45,967.28 = 18,203.80/x
  3. Step 3: Cross multiply
    33,310.61x = 45,967.28 × 18,203.80
  4. Step 4: Simplify right side
    33,310.61x = 836,778,965.73
  5. Step 5: Solve for x
    x = 836,778,965.73/33,310.61
  6. Step 6: Final answer
    x = 25,120.49

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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.