Home / 39,375.40-59,097.26-20,668.68

Finding the Fourth Proportional to 39,375.40, 59,097.26 and 20,668.68

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Solution

The fourth proportional to 39,375.40, 59,097.26 and 20,668.68 is: 31,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.40 : 59,097.26 = 20,668.68 : x
  2. Step 2: Convert to fraction form
    39,375.40/59,097.26 = 20,668.68/x
  3. Step 3: Cross multiply
    39,375.40x = 59,097.26 × 20,668.68
  4. Step 4: Simplify right side
    39,375.40x = 1,221,462,355.82
  5. Step 5: Solve for x
    x = 1,221,462,355.82/39,375.40
  6. Step 6: Final answer
    x = 31,020.95

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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.