Home / 55,298.14-76,287.78-36,144.64

Finding the Fourth Proportional to 55,298.14, 76,287.78 and 36,144.64

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Solution

The fourth proportional to 55,298.14, 76,287.78 and 36,144.64 is: 49,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,298.14 : 76,287.78 = 36,144.64 : x
  2. Step 2: Convert to fraction form
    55,298.14/76,287.78 = 36,144.64/x
  3. Step 3: Cross multiply
    55,298.14x = 76,287.78 × 36,144.64
  4. Step 4: Simplify right side
    55,298.14x = 2,757,394,344.50
  5. Step 5: Solve for x
    x = 2,757,394,344.50/55,298.14
  6. Step 6: Final answer
    x = 49,864.14

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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.