Home / 49,691.36-74,553.12-14,631.20

Finding the Fourth Proportional to 49,691.36, 74,553.12 and 14,631.20

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Solution

The fourth proportional to 49,691.36, 74,553.12 and 14,631.20 is: 21,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691.36 : 74,553.12 = 14,631.20 : x
  2. Step 2: Convert to fraction form
    49,691.36/74,553.12 = 14,631.20/x
  3. Step 3: Cross multiply
    49,691.36x = 74,553.12 × 14,631.20
  4. Step 4: Simplify right side
    49,691.36x = 1,090,801,609.34
  5. Step 5: Solve for x
    x = 1,090,801,609.34/49,691.36
  6. Step 6: Final answer
    x = 21,951.53

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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.