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Finding the Fourth Proportional to 43,429.32, 65,056.62 and 32,917.32

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Solution

The fourth proportional to 43,429.32, 65,056.62 and 32,917.32 is: 49,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,429.32 : 65,056.62 = 32,917.32 : x
  2. Step 2: Convert to fraction form
    43,429.32/65,056.62 = 32,917.32/x
  3. Step 3: Cross multiply
    43,429.32x = 65,056.62 × 32,917.32
  4. Step 4: Simplify right side
    43,429.32x = 2,141,489,578.66
  5. Step 5: Solve for x
    x = 2,141,489,578.66/43,429.32
  6. Step 6: Final answer
    x = 49,309.77

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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.