Home / 38,505.92-57,766.08-12,203.60

Finding the Fourth Proportional to 38,505.92, 57,766.08 and 12,203.60

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Solution

The fourth proportional to 38,505.92, 57,766.08 and 12,203.60 is: 18,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,505.92 : 57,766.08 = 12,203.60 : x
  2. Step 2: Convert to fraction form
    38,505.92/57,766.08 = 12,203.60/x
  3. Step 3: Cross multiply
    38,505.92x = 57,766.08 × 12,203.60
  4. Step 4: Simplify right side
    38,505.92x = 704,954,133.89
  5. Step 5: Solve for x
    x = 704,954,133.89/38,505.92
  6. Step 6: Final answer
    x = 18,307.68

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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.