Home / 33,717.20-50,617.40-21,237.20

Finding the Fourth Proportional to 33,717.20, 50,617.40 and 21,237.20

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Solution

The fourth proportional to 33,717.20, 50,617.40 and 21,237.20 is: 31,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,717.20 : 50,617.40 = 21,237.20 : x
  2. Step 2: Convert to fraction form
    33,717.20/50,617.40 = 21,237.20/x
  3. Step 3: Cross multiply
    33,717.20x = 50,617.40 × 21,237.20
  4. Step 4: Simplify right side
    33,717.20x = 1,074,971,847.28
  5. Step 5: Solve for x
    x = 1,074,971,847.28/33,717.20
  6. Step 6: Final answer
    x = 31,882.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.