Home / 38,668.22-57,988.09-13,361.29

Finding the Fourth Proportional to 38,668.22, 57,988.09 and 13,361.29

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Solution

The fourth proportional to 38,668.22, 57,988.09 and 13,361.29 is: 20,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.22 : 57,988.09 = 13,361.29 : x
  2. Step 2: Convert to fraction form
    38,668.22/57,988.09 = 13,361.29/x
  3. Step 3: Cross multiply
    38,668.22x = 57,988.09 × 13,361.29
  4. Step 4: Simplify right side
    38,668.22x = 774,795,687.04
  5. Step 5: Solve for x
    x = 774,795,687.04/38,668.22
  6. Step 6: Final answer
    x = 20,037.01

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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.