Home / 45,809.44-68,716.23-12,528.76

Finding the Fourth Proportional to 45,809.44, 68,716.23 and 12,528.76

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Solution

The fourth proportional to 45,809.44, 68,716.23 and 12,528.76 is: 18,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.44 : 68,716.23 = 12,528.76 : x
  2. Step 2: Convert to fraction form
    45,809.44/68,716.23 = 12,528.76/x
  3. Step 3: Cross multiply
    45,809.44x = 68,716.23 × 12,528.76
  4. Step 4: Simplify right side
    45,809.44x = 860,929,153.77
  5. Step 5: Solve for x
    x = 860,929,153.77/45,809.44
  6. Step 6: Final answer
    x = 18,793.71

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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.