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Finding the Fourth Proportional to 55,270.80, 76,269.96 and 30,119.76

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Solution

The fourth proportional to 55,270.80, 76,269.96 and 30,119.76 is: 41,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.80 : 76,269.96 = 30,119.76 : x
  2. Step 2: Convert to fraction form
    55,270.80/76,269.96 = 30,119.76/x
  3. Step 3: Cross multiply
    55,270.80x = 76,269.96 × 30,119.76
  4. Step 4: Simplify right side
    55,270.80x = 2,297,232,890.41
  5. Step 5: Solve for x
    x = 2,297,232,890.41/55,270.80
  6. Step 6: Final answer
    x = 41,563.23

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Why These Related Problems?

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