Home / 39,511.87-59,258.92-11,425.66

Finding the Fourth Proportional to 39,511.87, 59,258.92 and 11,425.66

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Solution

The fourth proportional to 39,511.87, 59,258.92 and 11,425.66 is: 17,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.87 : 59,258.92 = 11,425.66 : x
  2. Step 2: Convert to fraction form
    39,511.87/59,258.92 = 11,425.66/x
  3. Step 3: Cross multiply
    39,511.87x = 59,258.92 × 11,425.66
  4. Step 4: Simplify right side
    39,511.87x = 677,071,975.59
  5. Step 5: Solve for x
    x = 677,071,975.59/39,511.87
  6. Step 6: Final answer
    x = 17,135.92

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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.