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Finding the Fourth Proportional to 57,295.92, 79,071.48 and 32,144.88

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Solution

The fourth proportional to 57,295.92, 79,071.48 and 32,144.88 is: 44,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,295.92 : 79,071.48 = 32,144.88 : x
  2. Step 2: Convert to fraction form
    57,295.92/79,071.48 = 32,144.88/x
  3. Step 3: Cross multiply
    57,295.92x = 79,071.48 × 32,144.88
  4. Step 4: Simplify right side
    57,295.92x = 2,541,743,236.02
  5. Step 5: Solve for x
    x = 2,541,743,236.02/57,295.92
  6. Step 6: Final answer
    x = 44,361.68

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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.