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Finding the Fourth Proportional to 57,472.10, 79,296 and 33,604.64

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Solution

The fourth proportional to 57,472.10, 79,296 and 33,604.64 is: 46,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472.10 : 79,296 = 33,604.64 : x
  2. Step 2: Convert to fraction form
    57,472.10/79,296 = 33,604.64/x
  3. Step 3: Cross multiply
    57,472.10x = 79,296 × 33,604.64
  4. Step 4: Simplify right side
    57,472.10x = 2,664,713,533.44
  5. Step 5: Solve for x
    x = 2,664,713,533.44/57,472.10
  6. Step 6: Final answer
    x = 46,365.34

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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.