Home / 57,766.60-86,650.38-20,326.96

Finding the Fourth Proportional to 57,766.60, 86,650.38 and 20,326.96

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Solution

The fourth proportional to 57,766.60, 86,650.38 and 20,326.96 is: 30,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,766.60 : 86,650.38 = 20,326.96 : x
  2. Step 2: Convert to fraction form
    57,766.60/86,650.38 = 20,326.96/x
  3. Step 3: Cross multiply
    57,766.60x = 86,650.38 × 20,326.96
  4. Step 4: Simplify right side
    57,766.60x = 1,761,338,808.24
  5. Step 5: Solve for x
    x = 1,761,338,808.24/57,766.60
  6. Step 6: Final answer
    x = 30,490.61

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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.