Home / 29,129.74-43,664.30-19,770.52

Finding the Fourth Proportional to 29,129.74, 43,664.30 and 19,770.52

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Solution

The fourth proportional to 29,129.74, 43,664.30 and 19,770.52 is: 29,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.74 : 43,664.30 = 19,770.52 : x
  2. Step 2: Convert to fraction form
    29,129.74/43,664.30 = 19,770.52/x
  3. Step 3: Cross multiply
    29,129.74x = 43,664.30 × 19,770.52
  4. Step 4: Simplify right side
    29,129.74x = 863,265,916.44
  5. Step 5: Solve for x
    x = 863,265,916.44/29,129.74
  6. Step 6: Final answer
    x = 29,635.21

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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.