Home / 45,578.54-68,372.58-12,298.88

Finding the Fourth Proportional to 45,578.54, 68,372.58 and 12,298.88

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Solution

The fourth proportional to 45,578.54, 68,372.58 and 12,298.88 is: 18,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,578.54 : 68,372.58 = 12,298.88 : x
  2. Step 2: Convert to fraction form
    45,578.54/68,372.58 = 12,298.88/x
  3. Step 3: Cross multiply
    45,578.54x = 68,372.58 × 12,298.88
  4. Step 4: Simplify right side
    45,578.54x = 840,906,156.71
  5. Step 5: Solve for x
    x = 840,906,156.71/45,578.54
  6. Step 6: Final answer
    x = 18,449.61

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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.