Home / 39,709.62-54,625.14-33,214.32

Finding the Fourth Proportional to 39,709.62, 54,625.14 and 33,214.32

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Solution

The fourth proportional to 39,709.62, 54,625.14 and 33,214.32 is: 45,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,709.62 : 54,625.14 = 33,214.32 : x
  2. Step 2: Convert to fraction form
    39,709.62/54,625.14 = 33,214.32/x
  3. Step 3: Cross multiply
    39,709.62x = 54,625.14 × 33,214.32
  4. Step 4: Simplify right side
    39,709.62x = 1,814,336,880.00
  5. Step 5: Solve for x
    x = 1,814,336,880.00/39,709.62
  6. Step 6: Final answer
    x = 45,690.11

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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.