Home / 39,958.52-59,918.33-21,247.52

Finding the Fourth Proportional to 39,958.52, 59,918.33 and 21,247.52

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Solution

The fourth proportional to 39,958.52, 59,918.33 and 21,247.52 is: 31,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.52 : 59,918.33 = 21,247.52 : x
  2. Step 2: Convert to fraction form
    39,958.52/59,918.33 = 21,247.52/x
  3. Step 3: Cross multiply
    39,958.52x = 59,918.33 × 21,247.52
  4. Step 4: Simplify right side
    39,958.52x = 1,273,115,668.57
  5. Step 5: Solve for x
    x = 1,273,115,668.57/39,958.52
  6. Step 6: Final answer
    x = 31,860.94

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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.