Home / 45,137.36-62,231.82-30,965.60

Finding the Fourth Proportional to 45,137.36, 62,231.82 and 30,965.60

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Solution

The fourth proportional to 45,137.36, 62,231.82 and 30,965.60 is: 42,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,137.36 : 62,231.82 = 30,965.60 : x
  2. Step 2: Convert to fraction form
    45,137.36/62,231.82 = 30,965.60/x
  3. Step 3: Cross multiply
    45,137.36x = 62,231.82 × 30,965.60
  4. Step 4: Simplify right side
    45,137.36x = 1,927,045,645.39
  5. Step 5: Solve for x
    x = 1,927,045,645.39/45,137.36
  6. Step 6: Final answer
    x = 42,692.92

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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.