Home / 33,133.90-45,731.91-21,804.43

Finding the Fourth Proportional to 33,133.90, 45,731.91 and 21,804.43

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Solution

The fourth proportional to 33,133.90, 45,731.91 and 21,804.43 is: 30,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.90 : 45,731.91 = 21,804.43 : x
  2. Step 2: Convert to fraction form
    33,133.90/45,731.91 = 21,804.43/x
  3. Step 3: Cross multiply
    33,133.90x = 45,731.91 × 21,804.43
  4. Step 4: Simplify right side
    33,133.90x = 997,158,230.36
  5. Step 5: Solve for x
    x = 997,158,230.36/33,133.90
  6. Step 6: Final answer
    x = 30,094.80

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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.