Home / 49,186.90-73,784.40-15,912.30

Finding the Fourth Proportional to 49,186.90, 73,784.40 and 15,912.30

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Solution

The fourth proportional to 49,186.90, 73,784.40 and 15,912.30 is: 23,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,186.90 : 73,784.40 = 15,912.30 : x
  2. Step 2: Convert to fraction form
    49,186.90/73,784.40 = 15,912.30/x
  3. Step 3: Cross multiply
    49,186.90x = 73,784.40 × 15,912.30
  4. Step 4: Simplify right side
    49,186.90x = 1,174,079,508.12
  5. Step 5: Solve for x
    x = 1,174,079,508.12/49,186.90
  6. Step 6: Final answer
    x = 23,869.76

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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.