Home / 49,344.15-74,020.91-13,805.48

Finding the Fourth Proportional to 49,344.15, 74,020.91 and 13,805.48

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Solution

The fourth proportional to 49,344.15, 74,020.91 and 13,805.48 is: 20,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,344.15 : 74,020.91 = 13,805.48 : x
  2. Step 2: Convert to fraction form
    49,344.15/74,020.91 = 13,805.48/x
  3. Step 3: Cross multiply
    49,344.15x = 74,020.91 × 13,805.48
  4. Step 4: Simplify right side
    49,344.15x = 1,021,894,192.59
  5. Step 5: Solve for x
    x = 1,021,894,192.59/49,344.15
  6. Step 6: Final answer
    x = 20,709.53

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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.