Home / 45,727.70-68,584.64-12,450.39

Finding the Fourth Proportional to 45,727.70, 68,584.64 and 12,450.39

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Solution

The fourth proportional to 45,727.70, 68,584.64 and 12,450.39 is: 18,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,727.70 : 68,584.64 = 12,450.39 : x
  2. Step 2: Convert to fraction form
    45,727.70/68,584.64 = 12,450.39/x
  3. Step 3: Cross multiply
    45,727.70x = 68,584.64 × 12,450.39
  4. Step 4: Simplify right side
    45,727.70x = 853,905,582.35
  5. Step 5: Solve for x
    x = 853,905,582.35/45,727.70
  6. Step 6: Final answer
    x = 18,673.70

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1.5x scale

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.