Home / 48,579.97-67,045.14-28,435.63

Finding the Fourth Proportional to 48,579.97, 67,045.14 and 28,435.63

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Solution

The fourth proportional to 48,579.97, 67,045.14 and 28,435.63 is: 39,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579.97 : 67,045.14 = 28,435.63 : x
  2. Step 2: Convert to fraction form
    48,579.97/67,045.14 = 28,435.63/x
  3. Step 3: Cross multiply
    48,579.97x = 67,045.14 × 28,435.63
  4. Step 4: Simplify right side
    48,579.97x = 1,906,470,794.34
  5. Step 5: Solve for x
    x = 1,906,470,794.34/48,579.97
  6. Step 6: Final answer
    x = 39,243.97

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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.