Home / 33,243.24-45,875.82-18,135.86

Finding the Fourth Proportional to 33,243.24, 45,875.82 and 18,135.86

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Solution

The fourth proportional to 33,243.24, 45,875.82 and 18,135.86 is: 25,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.24 : 45,875.82 = 18,135.86 : x
  2. Step 2: Convert to fraction form
    33,243.24/45,875.82 = 18,135.86/x
  3. Step 3: Cross multiply
    33,243.24x = 45,875.82 × 18,135.86
  4. Step 4: Simplify right side
    33,243.24x = 831,997,219.53
  5. Step 5: Solve for x
    x = 831,997,219.53/33,243.24
  6. Step 6: Final answer
    x = 25,027.56

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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.