Home / 35,999.25-49,678.97-20,083.70

Finding the Fourth Proportional to 35,999.25, 49,678.97 and 20,083.70

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Solution

The fourth proportional to 35,999.25, 49,678.97 and 20,083.70 is: 27,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.25 : 49,678.97 = 20,083.70 : x
  2. Step 2: Convert to fraction form
    35,999.25/49,678.97 = 20,083.70/x
  3. Step 3: Cross multiply
    35,999.25x = 49,678.97 × 20,083.70
  4. Step 4: Simplify right side
    35,999.25x = 997,737,180.98
  5. Step 5: Solve for x
    x = 997,737,180.98/35,999.25
  6. Step 6: Final answer
    x = 27,715.50

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1.5x scale

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.