Home / 33,021.86-45,573.31-18,871.96

Finding the Fourth Proportional to 33,021.86, 45,573.31 and 18,871.96

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Solution

The fourth proportional to 33,021.86, 45,573.31 and 18,871.96 is: 26,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.86 : 45,573.31 = 18,871.96 : x
  2. Step 2: Convert to fraction form
    33,021.86/45,573.31 = 18,871.96/x
  3. Step 3: Cross multiply
    33,021.86x = 45,573.31 × 18,871.96
  4. Step 4: Simplify right side
    33,021.86x = 860,057,683.39
  5. Step 5: Solve for x
    x = 860,057,683.39/33,021.86
  6. Step 6: Final answer
    x = 26,045.10

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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.