Home / 38,171.28-57,247.20-25,684.32

Finding the Fourth Proportional to 38,171.28, 57,247.20 and 25,684.32

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Solution

The fourth proportional to 38,171.28, 57,247.20 and 25,684.32 is: 38,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.28 : 57,247.20 = 25,684.32 : x
  2. Step 2: Convert to fraction form
    38,171.28/57,247.20 = 25,684.32/x
  3. Step 3: Cross multiply
    38,171.28x = 57,247.20 × 25,684.32
  4. Step 4: Simplify right side
    38,171.28x = 1,470,355,403.90
  5. Step 5: Solve for x
    x = 1,470,355,403.90/38,171.28
  6. Step 6: Final answer
    x = 38,519.94

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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.