Home / 49,053.12-73,553.76-21,336

Finding the Fourth Proportional to 49,053.12, 73,553.76 and 21,336

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Solution

The fourth proportional to 49,053.12, 73,553.76 and 21,336 is: 31,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,053.12 : 73,553.76 = 21,336 : x
  2. Step 2: Convert to fraction form
    49,053.12/73,553.76 = 21,336/x
  3. Step 3: Cross multiply
    49,053.12x = 73,553.76 × 21,336
  4. Step 4: Simplify right side
    49,053.12x = 1,569,343,023.36
  5. Step 5: Solve for x
    x = 1,569,343,023.36/49,053.12
  6. Step 6: Final answer
    x = 31,992.73

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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.