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Finding the Fourth Proportional to 43,551.60, 65,404.20 and 33,714.80

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Solution

The fourth proportional to 43,551.60, 65,404.20 and 33,714.80 is: 50,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,551.60 : 65,404.20 = 33,714.80 : x
  2. Step 2: Convert to fraction form
    43,551.60/65,404.20 = 33,714.80/x
  3. Step 3: Cross multiply
    43,551.60x = 65,404.20 × 33,714.80
  4. Step 4: Simplify right side
    43,551.60x = 2,205,089,522.16
  5. Step 5: Solve for x
    x = 2,205,089,522.16/43,551.60
  6. Step 6: Final answer
    x = 50,631.65

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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.