Home / 45,920.58-68,872.80-12,632.62

Finding the Fourth Proportional to 45,920.58, 68,872.80 and 12,632.62

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Solution

The fourth proportional to 45,920.58, 68,872.80 and 12,632.62 is: 18,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.58 : 68,872.80 = 12,632.62 : x
  2. Step 2: Convert to fraction form
    45,920.58/68,872.80 = 12,632.62/x
  3. Step 3: Cross multiply
    45,920.58x = 68,872.80 × 12,632.62
  4. Step 4: Simplify right side
    45,920.58x = 870,043,910.74
  5. Step 5: Solve for x
    x = 870,043,910.74/45,920.58
  6. Step 6: Final answer
    x = 18,946.71

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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.