Home / 45,451.36-68,180.46-12,170.68

Finding the Fourth Proportional to 45,451.36, 68,180.46 and 12,170.68

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Solution

The fourth proportional to 45,451.36, 68,180.46 and 12,170.68 is: 18,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,451.36 : 68,180.46 = 12,170.68 : x
  2. Step 2: Convert to fraction form
    45,451.36/68,180.46 = 12,170.68/x
  3. Step 3: Cross multiply
    45,451.36x = 68,180.46 × 12,170.68
  4. Step 4: Simplify right side
    45,451.36x = 829,802,560.91
  5. Step 5: Solve for x
    x = 829,802,560.91/45,451.36
  6. Step 6: Final answer
    x = 18,256.94

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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.