Home / 36,810.26-55,236.51-20,812.43

Finding the Fourth Proportional to 36,810.26, 55,236.51 and 20,812.43

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Solution

The fourth proportional to 36,810.26, 55,236.51 and 20,812.43 is: 31,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.26 : 55,236.51 = 20,812.43 : x
  2. Step 2: Convert to fraction form
    36,810.26/55,236.51 = 20,812.43/x
  3. Step 3: Cross multiply
    36,810.26x = 55,236.51 × 20,812.43
  4. Step 4: Simplify right side
    36,810.26x = 1,149,605,721.64
  5. Step 5: Solve for x
    x = 1,149,605,721.64/36,810.26
  6. Step 6: Final answer
    x = 31,230.58

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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.