Home / 38,245.40-57,383.28-17,179.72

Finding the Fourth Proportional to 38,245.40, 57,383.28 and 17,179.72

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Solution

The fourth proportional to 38,245.40, 57,383.28 and 17,179.72 is: 25,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.40 : 57,383.28 = 17,179.72 : x
  2. Step 2: Convert to fraction form
    38,245.40/57,383.28 = 17,179.72/x
  3. Step 3: Cross multiply
    38,245.40x = 57,383.28 × 17,179.72
  4. Step 4: Simplify right side
    38,245.40x = 985,828,683.08
  5. Step 5: Solve for x
    x = 985,828,683.08/38,245.40
  6. Step 6: Final answer
    x = 25,776.40

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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.