Home / 55,213.28-76,194.80-30,062.80

Finding the Fourth Proportional to 55,213.28, 76,194.80 and 30,062.80

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Solution

The fourth proportional to 55,213.28, 76,194.80 and 30,062.80 is: 41,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,213.28 : 76,194.80 = 30,062.80 : x
  2. Step 2: Convert to fraction form
    55,213.28/76,194.80 = 30,062.80/x
  3. Step 3: Cross multiply
    55,213.28x = 76,194.80 × 30,062.80
  4. Step 4: Simplify right side
    55,213.28x = 2,290,629,033.44
  5. Step 5: Solve for x
    x = 2,290,629,033.44/55,213.28
  6. Step 6: Final answer
    x = 41,486.92

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1.5x scale

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.