Home / 38,647.12-57,961.35-16,145.64

Finding the Fourth Proportional to 38,647.12, 57,961.35 and 16,145.64

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Solution

The fourth proportional to 38,647.12, 57,961.35 and 16,145.64 is: 24,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647.12 : 57,961.35 = 16,145.64 : x
  2. Step 2: Convert to fraction form
    38,647.12/57,961.35 = 16,145.64/x
  3. Step 3: Cross multiply
    38,647.12x = 57,961.35 × 16,145.64
  4. Step 4: Simplify right side
    38,647.12x = 935,822,882.59
  5. Step 5: Solve for x
    x = 935,822,882.59/38,647.12
  6. Step 6: Final answer
    x = 24,214.56

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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.