Home / 34,310.60-51,453.10-13,529.80

Finding the Fourth Proportional to 34,310.60, 51,453.10 and 13,529.80

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Solution

The fourth proportional to 34,310.60, 51,453.10 and 13,529.80 is: 20,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,310.60 : 51,453.10 = 13,529.80 : x
  2. Step 2: Convert to fraction form
    34,310.60/51,453.10 = 13,529.80/x
  3. Step 3: Cross multiply
    34,310.60x = 51,453.10 × 13,529.80
  4. Step 4: Simplify right side
    34,310.60x = 696,150,152.38
  5. Step 5: Solve for x
    x = 696,150,152.38/34,310.60
  6. Step 6: Final answer
    x = 20,289.65

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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.