Home / 78,284.43-117,435.78-24,957.81

Finding the Fourth Proportional to 78,284.43, 117,435.78 and 24,957.81

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Solution

The fourth proportional to 78,284.43, 117,435.78 and 24,957.81 is: 37,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,284.43 : 117,435.78 = 24,957.81 : x
  2. Step 2: Convert to fraction form
    78,284.43/117,435.78 = 24,957.81/x
  3. Step 3: Cross multiply
    78,284.43x = 117,435.78 × 24,957.81
  4. Step 4: Simplify right side
    78,284.43x = 2,930,939,884.44
  5. Step 5: Solve for x
    x = 2,930,939,884.44/78,284.43
  6. Step 6: Final answer
    x = 37,439.63

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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.