Home / 39,184.09-58,786.08-18,139.31

Finding the Fourth Proportional to 39,184.09, 58,786.08 and 18,139.31

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Solution

The fourth proportional to 39,184.09, 58,786.08 and 18,139.31 is: 27,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,184.09 : 58,786.08 = 18,139.31 : x
  2. Step 2: Convert to fraction form
    39,184.09/58,786.08 = 18,139.31/x
  3. Step 3: Cross multiply
    39,184.09x = 58,786.08 × 18,139.31
  4. Step 4: Simplify right side
    39,184.09x = 1,066,339,007.75
  5. Step 5: Solve for x
    x = 1,066,339,007.75/39,184.09
  6. Step 6: Final answer
    x = 27,213.57

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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.