Home / 45,388.21-68,081.96-12,110.95

Finding the Fourth Proportional to 45,388.21, 68,081.96 and 12,110.95

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Solution

The fourth proportional to 45,388.21, 68,081.96 and 12,110.95 is: 18,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388.21 : 68,081.96 = 12,110.95 : x
  2. Step 2: Convert to fraction form
    45,388.21/68,081.96 = 12,110.95/x
  3. Step 3: Cross multiply
    45,388.21x = 68,081.96 × 12,110.95
  4. Step 4: Simplify right side
    45,388.21x = 824,537,073.53
  5. Step 5: Solve for x
    x = 824,537,073.53/45,388.21
  6. Step 6: Final answer
    x = 18,166.33

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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.