Home / 36,648.25-54,969.61-11,687.29

Finding the Fourth Proportional to 36,648.25, 54,969.61 and 11,687.29

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Solution

The fourth proportional to 36,648.25, 54,969.61 and 11,687.29 is: 17,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,648.25 : 54,969.61 = 11,687.29 : x
  2. Step 2: Convert to fraction form
    36,648.25/54,969.61 = 11,687.29/x
  3. Step 3: Cross multiply
    36,648.25x = 54,969.61 × 11,687.29
  4. Step 4: Simplify right side
    36,648.25x = 642,445,773.26
  5. Step 5: Solve for x
    x = 642,445,773.26/36,648.25
  6. Step 6: Final answer
    x = 17,530.05

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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.