Home / 57,027.72-78,694.83-31,532.55

Finding the Fourth Proportional to 57,027.72, 78,694.83 and 31,532.55

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Solution

The fourth proportional to 57,027.72, 78,694.83 and 31,532.55 is: 43,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,027.72 : 78,694.83 = 31,532.55 : x
  2. Step 2: Convert to fraction form
    57,027.72/78,694.83 = 31,532.55/x
  3. Step 3: Cross multiply
    57,027.72x = 78,694.83 × 31,532.55
  4. Step 4: Simplify right side
    57,027.72x = 2,481,448,661.72
  5. Step 5: Solve for x
    x = 2,481,448,661.72/57,027.72
  6. Step 6: Final answer
    x = 43,513.03

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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.