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Finding the Fourth Proportional to 57,586.34, 79,469.34 and 33,708.32

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Solution

The fourth proportional to 57,586.34, 79,469.34 and 33,708.32 is: 46,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,586.34 : 79,469.34 = 33,708.32 : x
  2. Step 2: Convert to fraction form
    57,586.34/79,469.34 = 33,708.32/x
  3. Step 3: Cross multiply
    57,586.34x = 79,469.34 × 33,708.32
  4. Step 4: Simplify right side
    57,586.34x = 2,678,777,942.91
  5. Step 5: Solve for x
    x = 2,678,777,942.91/57,586.34
  6. Step 6: Final answer
    x = 46,517.59

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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.