Home / 33,078.76-45,649.44-17,971.96

Finding the Fourth Proportional to 33,078.76, 45,649.44 and 17,971.96

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Solution

The fourth proportional to 33,078.76, 45,649.44 and 17,971.96 is: 24,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.76 : 45,649.44 = 17,971.96 : x
  2. Step 2: Convert to fraction form
    33,078.76/45,649.44 = 17,971.96/x
  3. Step 3: Cross multiply
    33,078.76x = 45,649.44 × 17,971.96
  4. Step 4: Simplify right side
    33,078.76x = 820,409,909.70
  5. Step 5: Solve for x
    x = 820,409,909.70/33,078.76
  6. Step 6: Final answer
    x = 24,801.71

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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.