Home / 34,390.50-51,590.33-13,609.14

Finding the Fourth Proportional to 34,390.50, 51,590.33 and 13,609.14

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Solution

The fourth proportional to 34,390.50, 51,590.33 and 13,609.14 is: 20,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.50 : 51,590.33 = 13,609.14 : x
  2. Step 2: Convert to fraction form
    34,390.50/51,590.33 = 13,609.14/x
  3. Step 3: Cross multiply
    34,390.50x = 51,590.33 × 13,609.14
  4. Step 4: Simplify right side
    34,390.50x = 702,100,023.62
  5. Step 5: Solve for x
    x = 702,100,023.62/34,390.50
  6. Step 6: Final answer
    x = 20,415.52

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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.