Home / 36,696.72-50,640.12-19,929.36

Finding the Fourth Proportional to 36,696.72, 50,640.12 and 19,929.36

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Solution

The fourth proportional to 36,696.72, 50,640.12 and 19,929.36 is: 27,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,696.72 : 50,640.12 = 19,929.36 : x
  2. Step 2: Convert to fraction form
    36,696.72/50,640.12 = 19,929.36/x
  3. Step 3: Cross multiply
    36,696.72x = 50,640.12 × 19,929.36
  4. Step 4: Simplify right side
    36,696.72x = 1,009,225,181.92
  5. Step 5: Solve for x
    x = 1,009,225,181.92/36,696.72
  6. Step 6: Final answer
    x = 27,501.78

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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.