Home / 38,599.40-57,893.60-18,872.66

Finding the Fourth Proportional to 38,599.40, 57,893.60 and 18,872.66

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Solution

The fourth proportional to 38,599.40, 57,893.60 and 18,872.66 is: 28,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,599.40 : 57,893.60 = 18,872.66 : x
  2. Step 2: Convert to fraction form
    38,599.40/57,893.60 = 18,872.66/x
  3. Step 3: Cross multiply
    38,599.40x = 57,893.60 × 18,872.66
  4. Step 4: Simplify right side
    38,599.40x = 1,092,606,420.89
  5. Step 5: Solve for x
    x = 1,092,606,420.89/38,599.40
  6. Step 6: Final answer
    x = 28,306.30

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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.