Home / 54,325.56-74,976.96-30,131.87

Finding the Fourth Proportional to 54,325.56, 74,976.96 and 30,131.87

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Solution

The fourth proportional to 54,325.56, 74,976.96 and 30,131.87 is: 41,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,325.56 : 74,976.96 = 30,131.87 : x
  2. Step 2: Convert to fraction form
    54,325.56/74,976.96 = 30,131.87/x
  3. Step 3: Cross multiply
    54,325.56x = 74,976.96 × 30,131.87
  4. Step 4: Simplify right side
    54,325.56x = 2,259,196,199.16
  5. Step 5: Solve for x
    x = 2,259,196,199.16/54,325.56
  6. Step 6: Final answer
    x = 41,586.25

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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.