Home / 41,078.40-56,688.16-22,215.60

Finding the Fourth Proportional to 41,078.40, 56,688.16 and 22,215.60

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Solution

The fourth proportional to 41,078.40, 56,688.16 and 22,215.60 is: 30,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,078.40 : 56,688.16 = 22,215.60 : x
  2. Step 2: Convert to fraction form
    41,078.40/56,688.16 = 22,215.60/x
  3. Step 3: Cross multiply
    41,078.40x = 56,688.16 × 22,215.60
  4. Step 4: Simplify right side
    41,078.40x = 1,259,361,487.30
  5. Step 5: Solve for x
    x = 1,259,361,487.30/41,078.40
  6. Step 6: Final answer
    x = 30,657.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.