Home / 39,190.28-54,051.30-25,775.30

Finding the Fourth Proportional to 39,190.28, 54,051.30 and 25,775.30

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Solution

The fourth proportional to 39,190.28, 54,051.30 and 25,775.30 is: 35,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,190.28 : 54,051.30 = 25,775.30 : x
  2. Step 2: Convert to fraction form
    39,190.28/54,051.30 = 25,775.30/x
  3. Step 3: Cross multiply
    39,190.28x = 54,051.30 × 25,775.30
  4. Step 4: Simplify right side
    39,190.28x = 1,393,188,472.89
  5. Step 5: Solve for x
    x = 1,393,188,472.89/39,190.28
  6. Step 6: Final answer
    x = 35,549.34

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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.