Home / 38,219.84-57,228.24-25,720.64

Finding the Fourth Proportional to 38,219.84, 57,228.24 and 25,720.64

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Solution

The fourth proportional to 38,219.84, 57,228.24 and 25,720.64 is: 38,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.84 : 57,228.24 = 25,720.64 : x
  2. Step 2: Convert to fraction form
    38,219.84/57,228.24 = 25,720.64/x
  3. Step 3: Cross multiply
    38,219.84x = 57,228.24 × 25,720.64
  4. Step 4: Simplify right side
    38,219.84x = 1,471,946,958.87
  5. Step 5: Solve for x
    x = 1,471,946,958.87/38,219.84
  6. Step 6: Final answer
    x = 38,512.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.