Home / 55,415.82-76,470.30-30,265.32

Finding the Fourth Proportional to 55,415.82, 76,470.30 and 30,265.32

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Solution

The fourth proportional to 55,415.82, 76,470.30 and 30,265.32 is: 41,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.82 : 76,470.30 = 30,265.32 : x
  2. Step 2: Convert to fraction form
    55,415.82/76,470.30 = 30,265.32/x
  3. Step 3: Cross multiply
    55,415.82x = 76,470.30 × 30,265.32
  4. Step 4: Simplify right side
    55,415.82x = 2,314,398,100.00
  5. Step 5: Solve for x
    x = 2,314,398,100.00/55,415.82
  6. Step 6: Final answer
    x = 41,764.21

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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.