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Finding the Fourth Proportional to 55,544.50, 76,651.41 and 30,394

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Solution

The fourth proportional to 55,544.50, 76,651.41 and 30,394 is: 41,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,544.50 : 76,651.41 = 30,394 : x
  2. Step 2: Convert to fraction form
    55,544.50/76,651.41 = 30,394/x
  3. Step 3: Cross multiply
    55,544.50x = 76,651.41 × 30,394
  4. Step 4: Simplify right side
    55,544.50x = 2,329,742,955.54
  5. Step 5: Solve for x
    x = 2,329,742,955.54/55,544.50
  6. Step 6: Final answer
    x = 41,943.72

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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.