Home / 51,123.20-76,683.68-13,683.27

Finding the Fourth Proportional to 51,123.20, 76,683.68 and 13,683.27

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Solution

The fourth proportional to 51,123.20, 76,683.68 and 13,683.27 is: 20,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,123.20 : 76,683.68 = 13,683.27 : x
  2. Step 2: Convert to fraction form
    51,123.20/76,683.68 = 13,683.27/x
  3. Step 3: Cross multiply
    51,123.20x = 76,683.68 × 13,683.27
  4. Step 4: Simplify right side
    51,123.20x = 1,049,283,743.44
  5. Step 5: Solve for x
    x = 1,049,283,743.44/51,123.20
  6. Step 6: Final answer
    x = 20,524.61

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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.