Home / 38,945.06-53,744.12-22,178.06

Finding the Fourth Proportional to 38,945.06, 53,744.12 and 22,178.06

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Solution

The fourth proportional to 38,945.06, 53,744.12 and 22,178.06 is: 30,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.06 : 53,744.12 = 22,178.06 : x
  2. Step 2: Convert to fraction form
    38,945.06/53,744.12 = 22,178.06/x
  3. Step 3: Cross multiply
    38,945.06x = 53,744.12 × 22,178.06
  4. Step 4: Simplify right side
    38,945.06x = 1,191,940,318.01
  5. Step 5: Solve for x
    x = 1,191,940,318.01/38,945.06
  6. Step 6: Final answer
    x = 30,605.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.