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Finding the Fourth Proportional to 55,842.36, 77,046.04 and 33,169.98

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Solution

The fourth proportional to 55,842.36, 77,046.04 and 33,169.98 is: 45,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842.36 : 77,046.04 = 33,169.98 : x
  2. Step 2: Convert to fraction form
    55,842.36/77,046.04 = 33,169.98/x
  3. Step 3: Cross multiply
    55,842.36x = 77,046.04 × 33,169.98
  4. Step 4: Simplify right side
    55,842.36x = 2,555,615,605.88
  5. Step 5: Solve for x
    x = 2,555,615,605.88/55,842.36
  6. Step 6: Final answer
    x = 45,764.82

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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.