Home / 30,165.10-41,629.80-17,418.82

Finding the Fourth Proportional to 30,165.10, 41,629.80 and 17,418.82

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Solution

The fourth proportional to 30,165.10, 41,629.80 and 17,418.82 is: 24,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.10 : 41,629.80 = 17,418.82 : x
  2. Step 2: Convert to fraction form
    30,165.10/41,629.80 = 17,418.82/x
  3. Step 3: Cross multiply
    30,165.10x = 41,629.80 × 17,418.82
  4. Step 4: Simplify right side
    30,165.10x = 725,141,992.84
  5. Step 5: Solve for x
    x = 725,141,992.84/30,165.10
  6. Step 6: Final answer
    x = 24,039.10

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1.5x scale

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.