Home / 54,768.62-75,576.11-30,567.40

Finding the Fourth Proportional to 54,768.62, 75,576.11 and 30,567.40

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Solution

The fourth proportional to 54,768.62, 75,576.11 and 30,567.40 is: 42,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,768.62 : 75,576.11 = 30,567.40 : x
  2. Step 2: Convert to fraction form
    54,768.62/75,576.11 = 30,567.40/x
  3. Step 3: Cross multiply
    54,768.62x = 75,576.11 × 30,567.40
  4. Step 4: Simplify right side
    54,768.62x = 2,310,164,843.04
  5. Step 5: Solve for x
    x = 2,310,164,843.04/54,768.62
  6. Step 6: Final answer
    x = 42,180.44

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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.