Home / 38,261.46-57,398.10-19,531.35

Finding the Fourth Proportional to 38,261.46, 57,398.10 and 19,531.35

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Solution

The fourth proportional to 38,261.46, 57,398.10 and 19,531.35 is: 29,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261.46 : 57,398.10 = 19,531.35 : x
  2. Step 2: Convert to fraction form
    38,261.46/57,398.10 = 19,531.35/x
  3. Step 3: Cross multiply
    38,261.46x = 57,398.10 × 19,531.35
  4. Step 4: Simplify right side
    38,261.46x = 1,121,062,380.44
  5. Step 5: Solve for x
    x = 1,121,062,380.44/38,261.46
  6. Step 6: Final answer
    x = 29,300.04

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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.