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Finding the Fourth Proportional to 57,379.68, 79,179.84 and 32,228.64

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Solution

The fourth proportional to 57,379.68, 79,179.84 and 32,228.64 is: 44,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,379.68 : 79,179.84 = 32,228.64 : x
  2. Step 2: Convert to fraction form
    57,379.68/79,179.84 = 32,228.64/x
  3. Step 3: Cross multiply
    57,379.68x = 79,179.84 × 32,228.64
  4. Step 4: Simplify right side
    57,379.68x = 2,551,858,558.62
  5. Step 5: Solve for x
    x = 2,551,858,558.62/57,379.68
  6. Step 6: Final answer
    x = 44,473.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.