Home / 38,387.93-57,591-12,092.60

Finding the Fourth Proportional to 38,387.93, 57,591 and 12,092.60

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Solution

The fourth proportional to 38,387.93, 57,591 and 12,092.60 is: 18,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387.93 : 57,591 = 12,092.60 : x
  2. Step 2: Convert to fraction form
    38,387.93/57,591 = 12,092.60/x
  3. Step 3: Cross multiply
    38,387.93x = 57,591 × 12,092.60
  4. Step 4: Simplify right side
    38,387.93x = 696,424,926.60
  5. Step 5: Solve for x
    x = 696,424,926.60/38,387.93
  6. Step 6: Final answer
    x = 18,141.77

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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.