Home / 43,324.34-64,962.21-13,736.66

Finding the Fourth Proportional to 43,324.34, 64,962.21 and 13,736.66

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Solution

The fourth proportional to 43,324.34, 64,962.21 and 13,736.66 is: 20,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.34 : 64,962.21 = 13,736.66 : x
  2. Step 2: Convert to fraction form
    43,324.34/64,962.21 = 13,736.66/x
  3. Step 3: Cross multiply
    43,324.34x = 64,962.21 × 13,736.66
  4. Step 4: Simplify right side
    43,324.34x = 892,363,791.62
  5. Step 5: Solve for x
    x = 892,363,791.62/43,324.34
  6. Step 6: Final answer
    x = 20,597.29

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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.