Home / 34,565.46-51,865.13-12,380.55

Finding the Fourth Proportional to 34,565.46, 51,865.13 and 12,380.55

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Solution

The fourth proportional to 34,565.46, 51,865.13 and 12,380.55 is: 18,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,565.46 : 51,865.13 = 12,380.55 : x
  2. Step 2: Convert to fraction form
    34,565.46/51,865.13 = 12,380.55/x
  3. Step 3: Cross multiply
    34,565.46x = 51,865.13 × 12,380.55
  4. Step 4: Simplify right side
    34,565.46x = 642,118,835.22
  5. Step 5: Solve for x
    x = 642,118,835.22/34,565.46
  6. Step 6: Final answer
    x = 18,576.89

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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.