Home / 49,115.42-73,611.46-21,002.46

Finding the Fourth Proportional to 49,115.42, 73,611.46 and 21,002.46

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Solution

The fourth proportional to 49,115.42, 73,611.46 and 21,002.46 is: 31,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,115.42 : 73,611.46 = 21,002.46 : x
  2. Step 2: Convert to fraction form
    49,115.42/73,611.46 = 21,002.46/x
  3. Step 3: Cross multiply
    49,115.42x = 73,611.46 × 21,002.46
  4. Step 4: Simplify right side
    49,115.42x = 1,546,021,744.19
  5. Step 5: Solve for x
    x = 1,546,021,744.19/49,115.42
  6. Step 6: Final answer
    x = 31,477.32

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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.