Home / 38,371.72-57,451.30-19,611.36

Finding the Fourth Proportional to 38,371.72, 57,451.30 and 19,611.36

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Solution

The fourth proportional to 38,371.72, 57,451.30 and 19,611.36 is: 29,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,371.72 : 57,451.30 = 19,611.36 : x
  2. Step 2: Convert to fraction form
    38,371.72/57,451.30 = 19,611.36/x
  3. Step 3: Cross multiply
    38,371.72x = 57,451.30 × 19,611.36
  4. Step 4: Simplify right side
    38,371.72x = 1,126,698,172.34
  5. Step 5: Solve for x
    x = 1,126,698,172.34/38,371.72
  6. Step 6: Final answer
    x = 29,362.72

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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.