Home / 39,425.58-59,145.05-17,238.47

Finding the Fourth Proportional to 39,425.58, 59,145.05 and 17,238.47

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Solution

The fourth proportional to 39,425.58, 59,145.05 and 17,238.47 is: 25,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.58 : 59,145.05 = 17,238.47 : x
  2. Step 2: Convert to fraction form
    39,425.58/59,145.05 = 17,238.47/x
  3. Step 3: Cross multiply
    39,425.58x = 59,145.05 × 17,238.47
  4. Step 4: Simplify right side
    39,425.58x = 1,019,569,917.44
  5. Step 5: Solve for x
    x = 1,019,569,917.44/39,425.58
  6. Step 6: Final answer
    x = 25,860.62

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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.