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Finding the Fourth Proportional to 36,214.60, 54,321.90 and 34,902.40

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Solution

The fourth proportional to 36,214.60, 54,321.90 and 34,902.40 is: 52,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,214.60 : 54,321.90 = 34,902.40 : x
  2. Step 2: Convert to fraction form
    36,214.60/54,321.90 = 34,902.40/x
  3. Step 3: Cross multiply
    36,214.60x = 54,321.90 × 34,902.40
  4. Step 4: Simplify right side
    36,214.60x = 1,895,964,682.56
  5. Step 5: Solve for x
    x = 1,895,964,682.56/36,214.60
  6. Step 6: Final answer
    x = 52,353.60

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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.