Home / 36,112.15-54,148.42-11,145.30

Finding the Fourth Proportional to 36,112.15, 54,148.42 and 11,145.30

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Solution

The fourth proportional to 36,112.15, 54,148.42 and 11,145.30 is: 16,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,112.15 : 54,148.42 = 11,145.30 : x
  2. Step 2: Convert to fraction form
    36,112.15/54,148.42 = 11,145.30/x
  3. Step 3: Cross multiply
    36,112.15x = 54,148.42 × 11,145.30
  4. Step 4: Simplify right side
    36,112.15x = 603,500,385.43
  5. Step 5: Solve for x
    x = 603,500,385.43/36,112.15
  6. Step 6: Final answer
    x = 16,711.84

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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.