Home / 38,116.58-57,174.36-11,821.34

Finding the Fourth Proportional to 38,116.58, 57,174.36 and 11,821.34

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Solution

The fourth proportional to 38,116.58, 57,174.36 and 11,821.34 is: 17,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,116.58 : 57,174.36 = 11,821.34 : x
  2. Step 2: Convert to fraction form
    38,116.58/57,174.36 = 11,821.34/x
  3. Step 3: Cross multiply
    38,116.58x = 57,174.36 × 11,821.34
  4. Step 4: Simplify right side
    38,116.58x = 675,877,647.45
  5. Step 5: Solve for x
    x = 675,877,647.45/38,116.58
  6. Step 6: Final answer
    x = 17,731.86

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1.5x scale

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.