Home / 35,352.06-48,781.13-21,918.44

Finding the Fourth Proportional to 35,352.06, 48,781.13 and 21,918.44

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Solution

The fourth proportional to 35,352.06, 48,781.13 and 21,918.44 is: 30,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,352.06 : 48,781.13 = 21,918.44 : x
  2. Step 2: Convert to fraction form
    35,352.06/48,781.13 = 21,918.44/x
  3. Step 3: Cross multiply
    35,352.06x = 48,781.13 × 21,918.44
  4. Step 4: Simplify right side
    35,352.06x = 1,069,205,917.54
  5. Step 5: Solve for x
    x = 1,069,205,917.54/35,352.06
  6. Step 6: Final answer
    x = 30,244.52

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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.