Home / 38,986.07-58,470.14-10,908.09

Finding the Fourth Proportional to 38,986.07, 58,470.14 and 10,908.09

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Solution

The fourth proportional to 38,986.07, 58,470.14 and 10,908.09 is: 16,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.07 : 58,470.14 = 10,908.09 : x
  2. Step 2: Convert to fraction form
    38,986.07/58,470.14 = 10,908.09/x
  3. Step 3: Cross multiply
    38,986.07x = 58,470.14 × 10,908.09
  4. Step 4: Simplify right side
    38,986.07x = 637,797,549.43
  5. Step 5: Solve for x
    x = 637,797,549.43/38,986.07
  6. Step 6: Final answer
    x = 16,359.63

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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.