Home / 51,048.56-76,494.87-21,450.21

Finding the Fourth Proportional to 51,048.56, 76,494.87 and 21,450.21

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Solution

The fourth proportional to 51,048.56, 76,494.87 and 21,450.21 is: 32,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048.56 : 76,494.87 = 21,450.21 : x
  2. Step 2: Convert to fraction form
    51,048.56/76,494.87 = 21,450.21/x
  3. Step 3: Cross multiply
    51,048.56x = 76,494.87 × 21,450.21
  4. Step 4: Simplify right side
    51,048.56x = 1,640,831,025.42
  5. Step 5: Solve for x
    x = 1,640,831,025.42/51,048.56
  6. Step 6: Final answer
    x = 32,142.56

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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.