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Finding the Fourth Proportional to 43,446.81, 65,059.92 and 36,408.32

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Solution

The fourth proportional to 43,446.81, 65,059.92 and 36,408.32 is: 54,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,446.81 : 65,059.92 = 36,408.32 : x
  2. Step 2: Convert to fraction form
    43,446.81/65,059.92 = 36,408.32/x
  3. Step 3: Cross multiply
    43,446.81x = 65,059.92 × 36,408.32
  4. Step 4: Simplify right side
    43,446.81x = 2,368,722,061.23
  5. Step 5: Solve for x
    x = 2,368,722,061.23/43,446.81
  6. Step 6: Final answer
    x = 54,520.05

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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.