Home / 33,429.60-50,128.20-18,622.80

Finding the Fourth Proportional to 33,429.60, 50,128.20 and 18,622.80

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Solution

The fourth proportional to 33,429.60, 50,128.20 and 18,622.80 is: 27,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,429.60 : 50,128.20 = 18,622.80 : x
  2. Step 2: Convert to fraction form
    33,429.60/50,128.20 = 18,622.80/x
  3. Step 3: Cross multiply
    33,429.60x = 50,128.20 × 18,622.80
  4. Step 4: Simplify right side
    33,429.60x = 933,527,442.96
  5. Step 5: Solve for x
    x = 933,527,442.96/33,429.60
  6. Step 6: Final answer
    x = 27,925.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.