Home / 35,376.65-53,027.31-18,517.31

Finding the Fourth Proportional to 35,376.65, 53,027.31 and 18,517.31

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Solution

The fourth proportional to 35,376.65, 53,027.31 and 18,517.31 is: 27,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,376.65 : 53,027.31 = 18,517.31 : x
  2. Step 2: Convert to fraction form
    35,376.65/53,027.31 = 18,517.31/x
  3. Step 3: Cross multiply
    35,376.65x = 53,027.31 × 18,517.31
  4. Step 4: Simplify right side
    35,376.65x = 981,923,137.74
  5. Step 5: Solve for x
    x = 981,923,137.74/35,376.65
  6. Step 6: Final answer
    x = 27,756.25

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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.