Home / 48,878.24-67,448.58-28,735.97

Finding the Fourth Proportional to 48,878.24, 67,448.58 and 28,735.97

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Solution

The fourth proportional to 48,878.24, 67,448.58 and 28,735.97 is: 39,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,878.24 : 67,448.58 = 28,735.97 : x
  2. Step 2: Convert to fraction form
    48,878.24/67,448.58 = 28,735.97/x
  3. Step 3: Cross multiply
    48,878.24x = 67,448.58 × 28,735.97
  4. Step 4: Simplify right side
    48,878.24x = 1,938,200,371.42
  5. Step 5: Solve for x
    x = 1,938,200,371.42/48,878.24
  6. Step 6: Final answer
    x = 39,653.64

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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.