Home / 32,997.06-45,524-21,672.69

Finding the Fourth Proportional to 32,997.06, 45,524 and 21,672.69

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Solution

The fourth proportional to 32,997.06, 45,524 and 21,672.69 is: 29,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,997.06 : 45,524 = 21,672.69 : x
  2. Step 2: Convert to fraction form
    32,997.06/45,524 = 21,672.69/x
  3. Step 3: Cross multiply
    32,997.06x = 45,524 × 21,672.69
  4. Step 4: Simplify right side
    32,997.06x = 986,627,539.56
  5. Step 5: Solve for x
    x = 986,627,539.56/32,997.06
  6. Step 6: Final answer
    x = 29,900.47

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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.