Home / 40,431.34-60,644.95-15,469.47

Finding the Fourth Proportional to 40,431.34, 60,644.95 and 15,469.47

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Solution

The fourth proportional to 40,431.34, 60,644.95 and 15,469.47 is: 23,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.34 : 60,644.95 = 15,469.47 : x
  2. Step 2: Convert to fraction form
    40,431.34/60,644.95 = 15,469.47/x
  3. Step 3: Cross multiply
    40,431.34x = 60,644.95 × 15,469.47
  4. Step 4: Simplify right side
    40,431.34x = 938,145,234.68
  5. Step 5: Solve for x
    x = 938,145,234.68/40,431.34
  6. Step 6: Final answer
    x = 23,203.42

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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.