Home / 39,853.68-59,805-23,221.20

Finding the Fourth Proportional to 39,853.68, 59,805 and 23,221.20

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Solution

The fourth proportional to 39,853.68, 59,805 and 23,221.20 is: 34,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.68 : 59,805 = 23,221.20 : x
  2. Step 2: Convert to fraction form
    39,853.68/59,805 = 23,221.20/x
  3. Step 3: Cross multiply
    39,853.68x = 59,805 × 23,221.20
  4. Step 4: Simplify right side
    39,853.68x = 1,388,743,866
  5. Step 5: Solve for x
    x = 1,388,743,866/39,853.68
  6. Step 6: Final answer
    x = 34,846.06

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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.