Home / 55,086-76,018.68-29,935.50

Finding the Fourth Proportional to 55,086, 76,018.68 and 29,935.50

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Solution

The fourth proportional to 55,086, 76,018.68 and 29,935.50 is: 41,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086 : 76,018.68 = 29,935.50 : x
  2. Step 2: Convert to fraction form
    55,086/76,018.68 = 29,935.50/x
  3. Step 3: Cross multiply
    55,086x = 76,018.68 × 29,935.50
  4. Step 4: Simplify right side
    55,086x = 2,275,657,195.14
  5. Step 5: Solve for x
    x = 2,275,657,195.14/55,086
  6. Step 6: Final answer
    x = 41,310.99

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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.