Home / 31,635.12-43,653.42-17,486.04

Finding the Fourth Proportional to 31,635.12, 43,653.42 and 17,486.04

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Solution

The fourth proportional to 31,635.12, 43,653.42 and 17,486.04 is: 24,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,635.12 : 43,653.42 = 17,486.04 : x
  2. Step 2: Convert to fraction form
    31,635.12/43,653.42 = 17,486.04/x
  3. Step 3: Cross multiply
    31,635.12x = 43,653.42 × 17,486.04
  4. Step 4: Simplify right side
    31,635.12x = 763,325,448.26
  5. Step 5: Solve for x
    x = 763,325,448.26/31,635.12
  6. Step 6: Final answer
    x = 24,129.05

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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.