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Finding the Fourth Proportional to 41,609.70, 62,453.70 and 21,902.40

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Solution

The fourth proportional to 41,609.70, 62,453.70 and 21,902.40 is: 32,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,609.70 : 62,453.70 = 21,902.40 : x
  2. Step 2: Convert to fraction form
    41,609.70/62,453.70 = 21,902.40/x
  3. Step 3: Cross multiply
    41,609.70x = 62,453.70 × 21,902.40
  4. Step 4: Simplify right side
    41,609.70x = 1,367,885,918.88
  5. Step 5: Solve for x
    x = 1,367,885,918.88/41,609.70
  6. Step 6: Final answer
    x = 32,874.21

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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.