Home / 39,448.49-54,431.72-22,451.74

Finding the Fourth Proportional to 39,448.49, 54,431.72 and 22,451.74

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Solution

The fourth proportional to 39,448.49, 54,431.72 and 22,451.74 is: 30,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,448.49 : 54,431.72 = 22,451.74 : x
  2. Step 2: Convert to fraction form
    39,448.49/54,431.72 = 22,451.74/x
  3. Step 3: Cross multiply
    39,448.49x = 54,431.72 × 22,451.74
  4. Step 4: Simplify right side
    39,448.49x = 1,222,086,576.85
  5. Step 5: Solve for x
    x = 1,222,086,576.85/39,448.49
  6. Step 6: Final answer
    x = 30,979.30

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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.