Home / 34,809.75-48,036.78-19,705.28

Finding the Fourth Proportional to 34,809.75, 48,036.78 and 19,705.28

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Solution

The fourth proportional to 34,809.75, 48,036.78 and 19,705.28 is: 27,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.75 : 48,036.78 = 19,705.28 : x
  2. Step 2: Convert to fraction form
    34,809.75/48,036.78 = 19,705.28/x
  3. Step 3: Cross multiply
    34,809.75x = 48,036.78 × 19,705.28
  4. Step 4: Simplify right side
    34,809.75x = 946,577,960.01
  5. Step 5: Solve for x
    x = 946,577,960.01/34,809.75
  6. Step 6: Final answer
    x = 27,192.90

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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.