Home / 51,885.28-71,596.83-30,660.49

Finding the Fourth Proportional to 51,885.28, 71,596.83 and 30,660.49

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Solution

The fourth proportional to 51,885.28, 71,596.83 and 30,660.49 is: 42,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,885.28 : 71,596.83 = 30,660.49 : x
  2. Step 2: Convert to fraction form
    51,885.28/71,596.83 = 30,660.49/x
  3. Step 3: Cross multiply
    51,885.28x = 71,596.83 × 30,660.49
  4. Step 4: Simplify right side
    51,885.28x = 2,195,193,890.25
  5. Step 5: Solve for x
    x = 2,195,193,890.25/51,885.28
  6. Step 6: Final answer
    x = 42,308.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.