Home / 43,578.41-60,138.25-28,496.61

Finding the Fourth Proportional to 43,578.41, 60,138.25 and 28,496.61

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Solution

The fourth proportional to 43,578.41, 60,138.25 and 28,496.61 is: 39,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578.41 : 60,138.25 = 28,496.61 : x
  2. Step 2: Convert to fraction form
    43,578.41/60,138.25 = 28,496.61/x
  3. Step 3: Cross multiply
    43,578.41x = 60,138.25 × 28,496.61
  4. Step 4: Simplify right side
    43,578.41x = 1,713,736,185.09
  5. Step 5: Solve for x
    x = 1,713,736,185.09/43,578.41
  6. Step 6: Final answer
    x = 39,325.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.