Home / 45,674.43-68,511.68-12,394.50

Finding the Fourth Proportional to 45,674.43, 68,511.68 and 12,394.50

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Solution

The fourth proportional to 45,674.43, 68,511.68 and 12,394.50 is: 18,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,674.43 : 68,511.68 = 12,394.50 : x
  2. Step 2: Convert to fraction form
    45,674.43/68,511.68 = 12,394.50/x
  3. Step 3: Cross multiply
    45,674.43x = 68,511.68 × 12,394.50
  4. Step 4: Simplify right side
    45,674.43x = 849,167,955.79
  5. Step 5: Solve for x
    x = 849,167,955.79/45,674.43
  6. Step 6: Final answer
    x = 18,591.76

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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.