Home / 36,810.25-55,214.16-11,851.72

Finding the Fourth Proportional to 36,810.25, 55,214.16 and 11,851.72

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Solution

The fourth proportional to 36,810.25, 55,214.16 and 11,851.72 is: 17,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.25 : 55,214.16 = 11,851.72 : x
  2. Step 2: Convert to fraction form
    36,810.25/55,214.16 = 11,851.72/x
  3. Step 3: Cross multiply
    36,810.25x = 55,214.16 × 11,851.72
  4. Step 4: Simplify right side
    36,810.25x = 654,382,764.36
  5. Step 5: Solve for x
    x = 654,382,764.36/36,810.25
  6. Step 6: Final answer
    x = 17,777.19

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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.