Home / 54,183.28-74,769.36-30,305.80

Finding the Fourth Proportional to 54,183.28, 74,769.36 and 30,305.80

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Solution

The fourth proportional to 54,183.28, 74,769.36 and 30,305.80 is: 41,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.28 : 74,769.36 = 30,305.80 : x
  2. Step 2: Convert to fraction form
    54,183.28/74,769.36 = 30,305.80/x
  3. Step 3: Cross multiply
    54,183.28x = 74,769.36 × 30,305.80
  4. Step 4: Simplify right side
    54,183.28x = 2,265,945,270.29
  5. Step 5: Solve for x
    x = 2,265,945,270.29/54,183.28
  6. Step 6: Final answer
    x = 41,820.01

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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.