Home / 48,426.14-66,821.85-28,268.43

Finding the Fourth Proportional to 48,426.14, 66,821.85 and 28,268.43

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Solution

The fourth proportional to 48,426.14, 66,821.85 and 28,268.43 is: 39,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426.14 : 66,821.85 = 28,268.43 : x
  2. Step 2: Convert to fraction form
    48,426.14/66,821.85 = 28,268.43/x
  3. Step 3: Cross multiply
    48,426.14x = 66,821.85 × 28,268.43
  4. Step 4: Simplify right side
    48,426.14x = 1,888,948,789.20
  5. Step 5: Solve for x
    x = 1,888,948,789.20/48,426.14
  6. Step 6: Final answer
    x = 39,006.80

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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.