Home / 34,361.82-51,528.15-12,180.78

Finding the Fourth Proportional to 34,361.82, 51,528.15 and 12,180.78

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Solution

The fourth proportional to 34,361.82, 51,528.15 and 12,180.78 is: 18,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,361.82 : 51,528.15 = 12,180.78 : x
  2. Step 2: Convert to fraction form
    34,361.82/51,528.15 = 12,180.78/x
  3. Step 3: Cross multiply
    34,361.82x = 51,528.15 × 12,180.78
  4. Step 4: Simplify right side
    34,361.82x = 627,653,058.96
  5. Step 5: Solve for x
    x = 627,653,058.96/34,361.82
  6. Step 6: Final answer
    x = 18,266.00

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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.