Home / 34,291.75-51,453.80-12,115.57

Finding the Fourth Proportional to 34,291.75, 51,453.80 and 12,115.57

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Solution

The fourth proportional to 34,291.75, 51,453.80 and 12,115.57 is: 18,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291.75 : 51,453.80 = 12,115.57 : x
  2. Step 2: Convert to fraction form
    34,291.75/51,453.80 = 12,115.57/x
  3. Step 3: Cross multiply
    34,291.75x = 51,453.80 × 12,115.57
  4. Step 4: Simplify right side
    34,291.75x = 623,392,115.67
  5. Step 5: Solve for x
    x = 623,392,115.67/34,291.75
  6. Step 6: Final answer
    x = 18,179.07

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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.