Home / 35,942.20-53,914.90-12,249.40

Finding the Fourth Proportional to 35,942.20, 53,914.90 and 12,249.40

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Solution

The fourth proportional to 35,942.20, 53,914.90 and 12,249.40 is: 18,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942.20 : 53,914.90 = 12,249.40 : x
  2. Step 2: Convert to fraction form
    35,942.20/53,914.90 = 12,249.40/x
  3. Step 3: Cross multiply
    35,942.20x = 53,914.90 × 12,249.40
  4. Step 4: Simplify right side
    35,942.20x = 660,425,176.06
  5. Step 5: Solve for x
    x = 660,425,176.06/35,942.20
  6. Step 6: Final answer
    x = 18,374.65

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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.