Home / 55,348.75-83,079.62-40,513.60

Finding the Fourth Proportional to 55,348.75, 83,079.62 and 40,513.60

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Solution

The fourth proportional to 55,348.75, 83,079.62 and 40,513.60 is: 60,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348.75 : 83,079.62 = 40,513.60 : x
  2. Step 2: Convert to fraction form
    55,348.75/83,079.62 = 40,513.60/x
  3. Step 3: Cross multiply
    55,348.75x = 83,079.62 × 40,513.60
  4. Step 4: Simplify right side
    55,348.75x = 3,365,853,874.87
  5. Step 5: Solve for x
    x = 3,365,853,874.87/55,348.75
  6. Step 6: Final answer
    x = 60,811.75

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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.