Home / 30,515.64-45,761.15-9,450.73

Finding the Fourth Proportional to 30,515.64, 45,761.15 and 9,450.73

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Solution

The fourth proportional to 30,515.64, 45,761.15 and 9,450.73 is: 14,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,515.64 : 45,761.15 = 9,450.73 : x
  2. Step 2: Convert to fraction form
    30,515.64/45,761.15 = 9,450.73/x
  3. Step 3: Cross multiply
    30,515.64x = 45,761.15 × 9,450.73
  4. Step 4: Simplify right side
    30,515.64x = 432,476,096.56
  5. Step 5: Solve for x
    x = 432,476,096.56/30,515.64
  6. Step 6: Final answer
    x = 14,172.28

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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.