Home / 38,091.60-57,137.40-17,315.10

Finding the Fourth Proportional to 38,091.60, 57,137.40 and 17,315.10

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Solution

The fourth proportional to 38,091.60, 57,137.40 and 17,315.10 is: 25,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091.60 : 57,137.40 = 17,315.10 : x
  2. Step 2: Convert to fraction form
    38,091.60/57,137.40 = 17,315.10/x
  3. Step 3: Cross multiply
    38,091.60x = 57,137.40 × 17,315.10
  4. Step 4: Simplify right side
    38,091.60x = 989,339,794.74
  5. Step 5: Solve for x
    x = 989,339,794.74/38,091.60
  6. Step 6: Final answer
    x = 25,972.65

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Similar ratio
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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.