Home / 54,311.21-74,945.36-30,433.26

Finding the Fourth Proportional to 54,311.21, 74,945.36 and 30,433.26

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Solution

The fourth proportional to 54,311.21, 74,945.36 and 30,433.26 is: 41,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.21 : 74,945.36 = 30,433.26 : x
  2. Step 2: Convert to fraction form
    54,311.21/74,945.36 = 30,433.26/x
  3. Step 3: Cross multiply
    54,311.21x = 74,945.36 × 30,433.26
  4. Step 4: Simplify right side
    54,311.21x = 2,280,831,474.51
  5. Step 5: Solve for x
    x = 2,280,831,474.51/54,311.21
  6. Step 6: Final answer
    x = 41,995.60

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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.