Home / 36,986.56-51,029.92-21,880.96

Finding the Fourth Proportional to 36,986.56, 51,029.92 and 21,880.96

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Solution

The fourth proportional to 36,986.56, 51,029.92 and 21,880.96 is: 30,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.56 : 51,029.92 = 21,880.96 : x
  2. Step 2: Convert to fraction form
    36,986.56/51,029.92 = 21,880.96/x
  3. Step 3: Cross multiply
    36,986.56x = 51,029.92 × 21,880.96
  4. Step 4: Simplify right side
    36,986.56x = 1,116,583,638.32
  5. Step 5: Solve for x
    x = 1,116,583,638.32/36,986.56
  6. Step 6: Final answer
    x = 30,188.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.