Home / 56,636.82-84,936.60-19,187.28

Finding the Fourth Proportional to 56,636.82, 84,936.60 and 19,187.28

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Solution

The fourth proportional to 56,636.82, 84,936.60 and 19,187.28 is: 28,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,636.82 : 84,936.60 = 19,187.28 : x
  2. Step 2: Convert to fraction form
    56,636.82/84,936.60 = 19,187.28/x
  3. Step 3: Cross multiply
    56,636.82x = 84,936.60 × 19,187.28
  4. Step 4: Simplify right side
    56,636.82x = 1,629,702,326.45
  5. Step 5: Solve for x
    x = 1,629,702,326.45/56,636.82
  6. Step 6: Final answer
    x = 28,774.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.