Home / 65,918.64-98,943.72-30,883.44

Finding the Fourth Proportional to 65,918.64, 98,943.72 and 30,883.44

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Solution

The fourth proportional to 65,918.64, 98,943.72 and 30,883.44 is: 46,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.64 : 98,943.72 = 30,883.44 : x
  2. Step 2: Convert to fraction form
    65,918.64/98,943.72 = 30,883.44/x
  3. Step 3: Cross multiply
    65,918.64x = 98,943.72 × 30,883.44
  4. Step 4: Simplify right side
    65,918.64x = 3,055,722,440.00
  5. Step 5: Solve for x
    x = 3,055,722,440.00/65,918.64
  6. Step 6: Final answer
    x = 46,355.97

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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.