Home / 38,358.84-57,540.33-12,065.64

Finding the Fourth Proportional to 38,358.84, 57,540.33 and 12,065.64

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Solution

The fourth proportional to 38,358.84, 57,540.33 and 12,065.64 is: 18,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.84 : 57,540.33 = 12,065.64 : x
  2. Step 2: Convert to fraction form
    38,358.84/57,540.33 = 12,065.64/x
  3. Step 3: Cross multiply
    38,358.84x = 57,540.33 × 12,065.64
  4. Step 4: Simplify right side
    38,358.84x = 694,260,691.48
  5. Step 5: Solve for x
    x = 694,260,691.48/38,358.84
  6. Step 6: Final answer
    x = 18,099.10

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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.