Home / 33,078.48-45,648.80-17,971.44

Finding the Fourth Proportional to 33,078.48, 45,648.80 and 17,971.44

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Solution

The fourth proportional to 33,078.48, 45,648.80 and 17,971.44 is: 24,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.48 : 45,648.80 = 17,971.44 : x
  2. Step 2: Convert to fraction form
    33,078.48/45,648.80 = 17,971.44/x
  3. Step 3: Cross multiply
    33,078.48x = 45,648.80 × 17,971.44
  4. Step 4: Simplify right side
    33,078.48x = 820,374,670.27
  5. Step 5: Solve for x
    x = 820,374,670.27/33,078.48
  6. Step 6: Final answer
    x = 24,800.86

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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.