Home / 39,219.63-58,804.49-18,131.48

Finding the Fourth Proportional to 39,219.63, 58,804.49 and 18,131.48

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Solution

The fourth proportional to 39,219.63, 58,804.49 and 18,131.48 is: 27,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.63 : 58,804.49 = 18,131.48 : x
  2. Step 2: Convert to fraction form
    39,219.63/58,804.49 = 18,131.48/x
  3. Step 3: Cross multiply
    39,219.63x = 58,804.49 × 18,131.48
  4. Step 4: Simplify right side
    39,219.63x = 1,066,212,304.18
  5. Step 5: Solve for x
    x = 1,066,212,304.18/39,219.63
  6. Step 6: Final answer
    x = 27,185.68

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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.