Home / 45,297.26-67,954.05-18,638.54

Finding the Fourth Proportional to 45,297.26, 67,954.05 and 18,638.54

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Solution

The fourth proportional to 45,297.26, 67,954.05 and 18,638.54 is: 27,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,297.26 : 67,954.05 = 18,638.54 : x
  2. Step 2: Convert to fraction form
    45,297.26/67,954.05 = 18,638.54/x
  3. Step 3: Cross multiply
    45,297.26x = 67,954.05 × 18,638.54
  4. Step 4: Simplify right side
    45,297.26x = 1,266,564,279.09
  5. Step 5: Solve for x
    x = 1,266,564,279.09/45,297.26
  6. Step 6: Final answer
    x = 27,961.17

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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.