Home / 40,136.52-60,204.92-13,481.74

Finding the Fourth Proportional to 40,136.52, 60,204.92 and 13,481.74

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Solution

The fourth proportional to 40,136.52, 60,204.92 and 13,481.74 is: 20,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.52 : 60,204.92 = 13,481.74 : x
  2. Step 2: Convert to fraction form
    40,136.52/60,204.92 = 13,481.74/x
  3. Step 3: Cross multiply
    40,136.52x = 60,204.92 × 13,481.74
  4. Step 4: Simplify right side
    40,136.52x = 811,667,352.34
  5. Step 5: Solve for x
    x = 811,667,352.34/40,136.52
  6. Step 6: Final answer
    x = 20,222.66

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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.