Home / 55,544.78-76,651.38-30,394.28

Finding the Fourth Proportional to 55,544.78, 76,651.38 and 30,394.28

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Solution

The fourth proportional to 55,544.78, 76,651.38 and 30,394.28 is: 41,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,544.78 : 76,651.38 = 30,394.28 : x
  2. Step 2: Convert to fraction form
    55,544.78/76,651.38 = 30,394.28/x
  3. Step 3: Cross multiply
    55,544.78x = 76,651.38 × 30,394.28
  4. Step 4: Simplify right side
    55,544.78x = 2,329,763,506.11
  5. Step 5: Solve for x
    x = 2,329,763,506.11/55,544.78
  6. Step 6: Final answer
    x = 41,943.88

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1.5x scale

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.