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Finding the Fourth Proportional to 41,996.80, 62,995.20 and 34,609.60

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Solution

The fourth proportional to 41,996.80, 62,995.20 and 34,609.60 is: 51,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,996.80 : 62,995.20 = 34,609.60 : x
  2. Step 2: Convert to fraction form
    41,996.80/62,995.20 = 34,609.60/x
  3. Step 3: Cross multiply
    41,996.80x = 62,995.20 × 34,609.60
  4. Step 4: Simplify right side
    41,996.80x = 2,180,238,673.92
  5. Step 5: Solve for x
    x = 2,180,238,673.92/41,996.80
  6. Step 6: Final answer
    x = 51,914.40

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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.