Home / 49,517.52-74,279.72-19,935.30

Finding the Fourth Proportional to 49,517.52, 74,279.72 and 19,935.30

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Solution

The fourth proportional to 49,517.52, 74,279.72 and 19,935.30 is: 29,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,517.52 : 74,279.72 = 19,935.30 : x
  2. Step 2: Convert to fraction form
    49,517.52/74,279.72 = 19,935.30/x
  3. Step 3: Cross multiply
    49,517.52x = 74,279.72 × 19,935.30
  4. Step 4: Simplify right side
    49,517.52x = 1,480,788,502.12
  5. Step 5: Solve for x
    x = 1,480,788,502.12/49,517.52
  6. Step 6: Final answer
    x = 29,904.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.