Home / 34,564.46-51,863.63-12,379.55

Finding the Fourth Proportional to 34,564.46, 51,863.63 and 12,379.55

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Solution

The fourth proportional to 34,564.46, 51,863.63 and 12,379.55 is: 18,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,564.46 : 51,863.63 = 12,379.55 : x
  2. Step 2: Convert to fraction form
    34,564.46/51,863.63 = 12,379.55/x
  3. Step 3: Cross multiply
    34,564.46x = 51,863.63 × 12,379.55
  4. Step 4: Simplify right side
    34,564.46x = 642,048,079.55
  5. Step 5: Solve for x
    x = 642,048,079.55/34,564.46
  6. Step 6: Final answer
    x = 18,575.38

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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.