Home / 39,857.90-54,943.82-32,772.02

Finding the Fourth Proportional to 39,857.90, 54,943.82 and 32,772.02

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Solution

The fourth proportional to 39,857.90, 54,943.82 and 32,772.02 is: 45,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,857.90 : 54,943.82 = 32,772.02 : x
  2. Step 2: Convert to fraction form
    39,857.90/54,943.82 = 32,772.02/x
  3. Step 3: Cross multiply
    39,857.90x = 54,943.82 × 32,772.02
  4. Step 4: Simplify right side
    39,857.90x = 1,800,619,967.92
  5. Step 5: Solve for x
    x = 1,800,619,967.92/39,857.90
  6. Step 6: Final answer
    x = 45,175.99

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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.