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Finding the Fourth Proportional to 40,576.60, 60,860.10 and 10,992.60

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Solution

The fourth proportional to 40,576.60, 60,860.10 and 10,992.60 is: 16,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,576.60 : 60,860.10 = 10,992.60 : x
  2. Step 2: Convert to fraction form
    40,576.60/60,860.10 = 10,992.60/x
  3. Step 3: Cross multiply
    40,576.60x = 60,860.10 × 10,992.60
  4. Step 4: Simplify right side
    40,576.60x = 669,010,735.26
  5. Step 5: Solve for x
    x = 669,010,735.26/40,576.60
  6. Step 6: Final answer
    x = 16,487.60

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1.5x scale

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.