Home / 48,979.74-67,592.80-28,561.25

Finding the Fourth Proportional to 48,979.74, 67,592.80 and 28,561.25

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Solution

The fourth proportional to 48,979.74, 67,592.80 and 28,561.25 is: 39,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.74 : 67,592.80 = 28,561.25 : x
  2. Step 2: Convert to fraction form
    48,979.74/67,592.80 = 28,561.25/x
  3. Step 3: Cross multiply
    48,979.74x = 67,592.80 × 28,561.25
  4. Step 4: Simplify right side
    48,979.74x = 1,930,534,859
  5. Step 5: Solve for x
    x = 1,930,534,859/48,979.74
  6. Step 6: Final answer
    x = 39,414.97

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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.