Home / 33,070.30-45,634.64-18,726

Finding the Fourth Proportional to 33,070.30, 45,634.64 and 18,726

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Solution

The fourth proportional to 33,070.30, 45,634.64 and 18,726 is: 25,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.30 : 45,634.64 = 18,726 : x
  2. Step 2: Convert to fraction form
    33,070.30/45,634.64 = 18,726/x
  3. Step 3: Cross multiply
    33,070.30x = 45,634.64 × 18,726
  4. Step 4: Simplify right side
    33,070.30x = 854,554,268.64
  5. Step 5: Solve for x
    x = 854,554,268.64/33,070.30
  6. Step 6: Final answer
    x = 25,840.54

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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.