Home / 51,091.40-76,637.54-17,811.41

Finding the Fourth Proportional to 51,091.40, 76,637.54 and 17,811.41

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Solution

The fourth proportional to 51,091.40, 76,637.54 and 17,811.41 is: 26,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091.40 : 76,637.54 = 17,811.41 : x
  2. Step 2: Convert to fraction form
    51,091.40/76,637.54 = 17,811.41/x
  3. Step 3: Cross multiply
    51,091.40x = 76,637.54 × 17,811.41
  4. Step 4: Simplify right side
    51,091.40x = 1,365,022,174.09
  5. Step 5: Solve for x
    x = 1,365,022,174.09/51,091.40
  6. Step 6: Final answer
    x = 26,717.26

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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.