Home / 51,013.85-76,520.67-13,573.92

Finding the Fourth Proportional to 51,013.85, 76,520.67 and 13,573.92

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Solution

The fourth proportional to 51,013.85, 76,520.67 and 13,573.92 is: 20,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.85 : 76,520.67 = 13,573.92 : x
  2. Step 2: Convert to fraction form
    51,013.85/76,520.67 = 13,573.92/x
  3. Step 3: Cross multiply
    51,013.85x = 76,520.67 × 13,573.92
  4. Step 4: Simplify right side
    51,013.85x = 1,038,685,265.47
  5. Step 5: Solve for x
    x = 1,038,685,265.47/51,013.85
  6. Step 6: Final answer
    x = 20,360.85

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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.