Home / 33,021.64-45,570-18,874.96

Finding the Fourth Proportional to 33,021.64, 45,570 and 18,874.96

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Solution

The fourth proportional to 33,021.64, 45,570 and 18,874.96 is: 26,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.64 : 45,570 = 18,874.96 : x
  2. Step 2: Convert to fraction form
    33,021.64/45,570 = 18,874.96/x
  3. Step 3: Cross multiply
    33,021.64x = 45,570 × 18,874.96
  4. Step 4: Simplify right side
    33,021.64x = 860,131,927.20
  5. Step 5: Solve for x
    x = 860,131,927.20/33,021.64
  6. Step 6: Final answer
    x = 26,047.52

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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.