Home / 34,531.92-51,786.11-13,470.30

Finding the Fourth Proportional to 34,531.92, 51,786.11 and 13,470.30

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Solution

The fourth proportional to 34,531.92, 51,786.11 and 13,470.30 is: 20,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,531.92 : 51,786.11 = 13,470.30 : x
  2. Step 2: Convert to fraction form
    34,531.92/51,786.11 = 13,470.30/x
  3. Step 3: Cross multiply
    34,531.92x = 51,786.11 × 13,470.30
  4. Step 4: Simplify right side
    34,531.92x = 697,574,640.15
  5. Step 5: Solve for x
    x = 697,574,640.15/34,531.92
  6. Step 6: Final answer
    x = 20,200.86

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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.